398223384

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1276357}}^1$

素因数の和:1276379

約数の個数: 32

約数和(自身を含む): 1072140720

約数和(自身を除く): 673917336

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 1276357, 2552714, 3829071, 5105428, 7658142, 10210856, 15316284, 16592641, 30632568, 33185282, 49777923, 66370564, 99555846, 132741128, 199111692, 398223384]

約数ペア:

[(1, 398223384), (2, 199111692), (3, 132741128), (4, 99555846), (6, 66370564), (8, 49777923), (12, 33185282), (13, 30632568), (24, 16592641), (26, 15316284), (39, 10210856), (52, 7658142), (78, 5105428), (104, 3829071), (156, 2552714), (312, 1276357)]