620439858

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{499549}}^1$

素因数の和:499583

約数の個数: 32

約数和(自身を含む): 1438704000

約数和(自身を除く): 818264142

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 138, 207, 414, 621, 1242, 499549, 999098, 1498647, 2997294, 4495941, 8991882, 11489627, 13487823, 22979254, 26975646, 34468881, 68937762, 103406643, 206813286, 310219929, 620439858]

約数ペア:

[(1, 620439858), (2, 310219929), (3, 206813286), (6, 103406643), (9, 68937762), (18, 34468881), (23, 26975646), (27, 22979254), (46, 13487823), (54, 11489627), (69, 8991882), (138, 4495941), (207, 2997294), (414, 1498647), (621, 999098), (1242, 499549)]