281643552

素因数分解:

$2^5\times 3^2\times {\mathrm{47}}^1\times {\mathrm{20807}}^1$

素因数の和:20870

約数の個数: 72

約数和(自身を含む): 818004096

約数和(自身を除く): 536360544

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 47, 48, 72, 94, 96, 141, 144, 188, 282, 288, 376, 423, 564, 752, 846, 1128, 1504, 1692, 2256, 3384, 4512, 6768, 13536, 20807, 41614, 62421, 83228, 124842, 166456, 187263, 249684, 332912, 374526, 499368, 665824, 749052, 977929, 998736, 1498104, 1955858, 1997472, 2933787, 2996208, 3911716, 5867574, 5992416, 7823432, 8801361, 11735148, 15646864, 17602722, 23470296, 31293728, 35205444, 46940592, 70410888, 93881184, 140821776, 281643552]

約数ペア:

[(1, 281643552), (2, 140821776), (3, 93881184), (4, 70410888), (6, 46940592), (8, 35205444), (9, 31293728), (12, 23470296), (16, 17602722), (18, 15646864), (24, 11735148), (32, 8801361), (36, 7823432), (47, 5992416), (48, 5867574), (72, 3911716), (94, 2996208), (96, 2933787), (141, 1997472), (144, 1955858), (188, 1498104), (282, 998736), (288, 977929), (376, 749052), (423, 665824), (564, 499368), (752, 374526), (846, 332912), (1128, 249684), (1504, 187263), (1692, 166456), (2256, 124842), (3384, 83228), (4512, 62421), (6768, 41614), (13536, 20807)]