78343984

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{61981}}^1$

素因数の和:62068

約数の個数: 20

約数和(自身を含む): 153715360

約数和(自身を除く): 75371376

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 61981, 123962, 247924, 495848, 991696, 4896499, 9792998, 19585996, 39171992, 78343984]

約数ペア:

[(1, 78343984), (2, 39171992), (4, 19585996), (8, 9792998), (16, 4896499), (79, 991696), (158, 495848), (316, 247924), (632, 123962), (1264, 61981)]