1972957428

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{569}}^1$

素因数の和:862

約数の個数: 144

約数和(自身を含む): 5577062400

約数和(自身を除く): 3604104972

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 39, 52, 62, 78, 93, 117, 124, 156, 186, 234, 239, 279, 372, 403, 468, 478, 558, 569, 717, 806, 956, 1116, 1138, 1209, 1434, 1612, 1707, 2151, 2276, 2418, 2868, 3107, 3414, 3627, 4302, 4836, 5121, 6214, 6828, 7254, 7397, 7409, 8604, 9321, 10242, 12428, 14508, 14794, 14818, 17639, 18642, 20484, 22191, 22227, 27963, 29588, 29636, 35278, 37284, 44382, 44454, 52917, 55926, 66573, 66681, 70556, 88764, 88908, 96317, 105834, 111852, 133146, 133362, 135991, 158751, 192634, 211668, 229307, 266292, 266724, 271982, 288951, 317502, 385268, 407973, 458614, 543964, 577902, 635004, 687921, 815946, 866853, 917228, 1155804, 1223919, 1375842, 1631892, 1733706, 1767883, 2063763, 2447838, 2751684, 3467412, 3535766, 4127526, 4215721, 4895676, 5303649, 7071532, 8255052, 8431442, 10607298, 12647163, 15910947, 16862884, 21214596, 25294326, 31821894, 37941489, 50588652, 54804373, 63643788, 75882978, 109608746, 151765956, 164413119, 219217492, 328826238, 493239357, 657652476, 986478714, 1972957428]

約数ペア:

[(1, 1972957428), (2, 986478714), (3, 657652476), (4, 493239357), (6, 328826238), (9, 219217492), (12, 164413119), (13, 151765956), (18, 109608746), (26, 75882978), (31, 63643788), (36, 54804373), (39, 50588652), (52, 37941489), (62, 31821894), (78, 25294326), (93, 21214596), (117, 16862884), (124, 15910947), (156, 12647163), (186, 10607298), (234, 8431442), (239, 8255052), (279, 7071532), (372, 5303649), (403, 4895676), (468, 4215721), (478, 4127526), (558, 3535766), (569, 3467412), (717, 2751684), (806, 2447838), (956, 2063763), (1116, 1767883), (1138, 1733706), (1209, 1631892), (1434, 1375842), (1612, 1223919), (1707, 1155804), (2151, 917228), (2276, 866853), (2418, 815946), (2868, 687921), (3107, 635004), (3414, 577902), (3627, 543964), (4302, 458614), (4836, 407973), (5121, 385268), (6214, 317502), (6828, 288951), (7254, 271982), (7397, 266724), (7409, 266292), (8604, 229307), (9321, 211668), (10242, 192634), (12428, 158751), (14508, 135991), (14794, 133362), (14818, 133146), (17639, 111852), (18642, 105834), (20484, 96317), (22191, 88908), (22227, 88764), (27963, 70556), (29588, 66681), (29636, 66573), (35278, 55926), (37284, 52917), (44382, 44454)]