287925156

素因数分解:

$2^2\times 3^2\times {\mathrm{139}}^1\times {\mathrm{163}}^1\times {\mathrm{353}}^1$

素因数の和:665

約数の個数: 72

約数和(自身を含む): 739633440

約数和(自身を除く): 451708284

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 139, 163, 278, 326, 353, 417, 489, 556, 652, 706, 834, 978, 1059, 1251, 1412, 1467, 1668, 1956, 2118, 2502, 2934, 3177, 4236, 5004, 5868, 6354, 12708, 22657, 45314, 49067, 57539, 67971, 90628, 98134, 115078, 135942, 147201, 172617, 196268, 203913, 230156, 271884, 294402, 345234, 407826, 441603, 517851, 588804, 690468, 815652, 883206, 1035702, 1766412, 2071404, 7997921, 15995842, 23993763, 31991684, 47987526, 71981289, 95975052, 143962578, 287925156]

約数ペア:

[(1, 287925156), (2, 143962578), (3, 95975052), (4, 71981289), (6, 47987526), (9, 31991684), (12, 23993763), (18, 15995842), (36, 7997921), (139, 2071404), (163, 1766412), (278, 1035702), (326, 883206), (353, 815652), (417, 690468), (489, 588804), (556, 517851), (652, 441603), (706, 407826), (834, 345234), (978, 294402), (1059, 271884), (1251, 230156), (1412, 203913), (1467, 196268), (1668, 172617), (1956, 147201), (2118, 135942), (2502, 115078), (2934, 98134), (3177, 90628), (4236, 67971), (5004, 57539), (5868, 49067), (6354, 45314), (12708, 22657)]