28557256

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{39227}}^1$

素因数の和:39253

約数の個数: 32

約数和(自身を含む): 65903040

約数和(自身を除く): 37345784

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 39227, 78454, 156908, 274589, 313816, 509951, 549178, 1019902, 1098356, 2039804, 2196712, 3569657, 4079608, 7139314, 14278628, 28557256]

約数ペア:

[(1, 28557256), (2, 14278628), (4, 7139314), (7, 4079608), (8, 3569657), (13, 2196712), (14, 2039804), (26, 1098356), (28, 1019902), (52, 549178), (56, 509951), (91, 313816), (104, 274589), (182, 156908), (364, 78454), (728, 39227)]