1640783864

素因数分解:

$2^3\times {\mathrm{59}}^1\times {\mathrm{79}}^2\times {\mathrm{557}}^1$

素因数の和:780

約数の個数: 48

約数和(自身を含む): 3174406200

約数和(自身を除く): 1533622336

約数列:

[1, 2, 4, 8, 59, 79, 118, 158, 236, 316, 472, 557, 632, 1114, 2228, 4456, 4661, 6241, 9322, 12482, 18644, 24964, 32863, 37288, 44003, 49928, 65726, 88006, 131452, 176012, 262904, 352024, 368219, 736438, 1472876, 2596177, 2945752, 3476237, 5192354, 6952474, 10384708, 13904948, 20769416, 27809896, 205097983, 410195966, 820391932, 1640783864]

約数ペア:

[(1, 1640783864), (2, 820391932), (4, 410195966), (8, 205097983), (59, 27809896), (79, 20769416), (118, 13904948), (158, 10384708), (236, 6952474), (316, 5192354), (472, 3476237), (557, 2945752), (632, 2596177), (1114, 1472876), (2228, 736438), (4456, 368219), (4661, 352024), (6241, 262904), (9322, 176012), (12482, 131452), (18644, 88006), (24964, 65726), (32863, 49928), (37288, 44003)]