261296272

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{5431}}^1$

素因数の和:5567

約数の個数: 40

約数和(自身を含む): 528077312

約数和(自身を除く): 266781040

約数列:

[1, 2, 4, 8, 16, 31, 62, 97, 124, 194, 248, 388, 496, 776, 1552, 3007, 5431, 6014, 10862, 12028, 21724, 24056, 43448, 48112, 86896, 168361, 336722, 526807, 673444, 1053614, 1346888, 2107228, 2693776, 4214456, 8428912, 16331017, 32662034, 65324068, 130648136, 261296272]

約数ペア:

[(1, 261296272), (2, 130648136), (4, 65324068), (8, 32662034), (16, 16331017), (31, 8428912), (62, 4214456), (97, 2693776), (124, 2107228), (194, 1346888), (248, 1053614), (388, 673444), (496, 526807), (776, 336722), (1552, 168361), (3007, 86896), (5431, 48112), (6014, 43448), (10862, 24056), (12028, 21724)]