639792

素因数分解:

$2^4\times 3^3\times {\mathrm{1481}}^1$

素因数の和:1498

約数の個数: 40

約数和(自身を含む): 1837680

約数和(自身を除く): 1197888

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 216, 432, 1481, 2962, 4443, 5924, 8886, 11848, 13329, 17772, 23696, 26658, 35544, 39987, 53316, 71088, 79974, 106632, 159948, 213264, 319896, 639792]

約数ペア:

[(1, 639792), (2, 319896), (3, 213264), (4, 159948), (6, 106632), (8, 79974), (9, 71088), (12, 53316), (16, 39987), (18, 35544), (24, 26658), (27, 23696), (36, 17772), (48, 13329), (54, 11848), (72, 8886), (108, 5924), (144, 4443), (216, 2962), (432, 1481)]