221561964

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{24917}}^1$

素因数の和:24959

約数の個数: 72

約数和(自身を含む): 634910640

約数和(自身を除く): 413348676

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 36, 38, 39, 52, 57, 76, 78, 114, 117, 156, 171, 228, 234, 247, 342, 468, 494, 684, 741, 988, 1482, 2223, 2964, 4446, 8892, 24917, 49834, 74751, 99668, 149502, 224253, 299004, 323921, 448506, 473423, 647842, 897012, 946846, 971763, 1295684, 1420269, 1893692, 1943526, 2840538, 2915289, 3887052, 4260807, 5681076, 5830578, 6154499, 8521614, 11661156, 12308998, 17043228, 18463497, 24617996, 36926994, 55390491, 73853988, 110780982, 221561964]

約数ペア:

[(1, 221561964), (2, 110780982), (3, 73853988), (4, 55390491), (6, 36926994), (9, 24617996), (12, 18463497), (13, 17043228), (18, 12308998), (19, 11661156), (26, 8521614), (36, 6154499), (38, 5830578), (39, 5681076), (52, 4260807), (57, 3887052), (76, 2915289), (78, 2840538), (114, 1943526), (117, 1893692), (156, 1420269), (171, 1295684), (228, 971763), (234, 946846), (247, 897012), (342, 647842), (468, 473423), (494, 448506), (684, 323921), (741, 299004), (988, 224253), (1482, 149502), (2223, 99668), (2964, 74751), (4446, 49834), (8892, 24917)]