128728908

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{46439}}^1$

素因数の和:46467

約数の個数: 72

約数和(自身を含む): 405699840

約数和(自身を除く): 276970932

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 42, 44, 63, 66, 77, 84, 99, 126, 132, 154, 198, 231, 252, 308, 396, 462, 693, 924, 1386, 2772, 46439, 92878, 139317, 185756, 278634, 325073, 417951, 510829, 557268, 650146, 835902, 975219, 1021658, 1300292, 1532487, 1671804, 1950438, 2043316, 2925657, 3064974, 3575803, 3900876, 4597461, 5851314, 6129948, 7151606, 9194922, 10727409, 11702628, 14303212, 18389844, 21454818, 32182227, 42909636, 64364454, 128728908]

約数ペア:

[(1, 128728908), (2, 64364454), (3, 42909636), (4, 32182227), (6, 21454818), (7, 18389844), (9, 14303212), (11, 11702628), (12, 10727409), (14, 9194922), (18, 7151606), (21, 6129948), (22, 5851314), (28, 4597461), (33, 3900876), (36, 3575803), (42, 3064974), (44, 2925657), (63, 2043316), (66, 1950438), (77, 1671804), (84, 1532487), (99, 1300292), (126, 1021658), (132, 975219), (154, 835902), (198, 650146), (231, 557268), (252, 510829), (308, 417951), (396, 325073), (462, 278634), (693, 185756), (924, 139317), (1386, 92878), (2772, 46439)]