387987444

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{569}}^1$

素因数の和:670

約数の個数: 144

約数和(自身を含む): 1115412480

約数和(自身を除く): 727425036

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 39, 47, 52, 62, 78, 93, 94, 117, 124, 141, 156, 186, 188, 234, 279, 282, 372, 403, 423, 468, 558, 564, 569, 611, 806, 846, 1116, 1138, 1209, 1222, 1457, 1612, 1692, 1707, 1833, 2276, 2418, 2444, 2914, 3414, 3627, 3666, 4371, 4836, 5121, 5499, 5828, 6828, 7254, 7332, 7397, 8742, 10242, 10998, 13113, 14508, 14794, 17484, 17639, 18941, 20484, 21996, 22191, 26226, 26743, 29588, 35278, 37882, 44382, 52452, 52917, 53486, 56823, 66573, 70556, 75764, 80229, 88764, 105834, 106972, 113646, 133146, 158751, 160458, 170469, 211668, 227292, 229307, 240687, 266292, 317502, 320916, 340938, 347659, 458614, 481374, 635004, 681876, 687921, 695318, 829033, 917228, 962748, 1042977, 1375842, 1390636, 1658066, 2063763, 2085954, 2487099, 2751684, 3128931, 3316132, 4127526, 4171908, 4974198, 6257862, 7461297, 8255052, 9948396, 10777429, 12515724, 14922594, 21554858, 29845188, 32332287, 43109716, 64664574, 96996861, 129329148, 193993722, 387987444]

約数ペア:

[(1, 387987444), (2, 193993722), (3, 129329148), (4, 96996861), (6, 64664574), (9, 43109716), (12, 32332287), (13, 29845188), (18, 21554858), (26, 14922594), (31, 12515724), (36, 10777429), (39, 9948396), (47, 8255052), (52, 7461297), (62, 6257862), (78, 4974198), (93, 4171908), (94, 4127526), (117, 3316132), (124, 3128931), (141, 2751684), (156, 2487099), (186, 2085954), (188, 2063763), (234, 1658066), (279, 1390636), (282, 1375842), (372, 1042977), (403, 962748), (423, 917228), (468, 829033), (558, 695318), (564, 687921), (569, 681876), (611, 635004), (806, 481374), (846, 458614), (1116, 347659), (1138, 340938), (1209, 320916), (1222, 317502), (1457, 266292), (1612, 240687), (1692, 229307), (1707, 227292), (1833, 211668), (2276, 170469), (2418, 160458), (2444, 158751), (2914, 133146), (3414, 113646), (3627, 106972), (3666, 105834), (4371, 88764), (4836, 80229), (5121, 75764), (5499, 70556), (5828, 66573), (6828, 56823), (7254, 53486), (7332, 52917), (7397, 52452), (8742, 44382), (10242, 37882), (10998, 35278), (13113, 29588), (14508, 26743), (14794, 26226), (17484, 22191), (17639, 21996), (18941, 20484)]