27638312

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:306

約数の個数: 64

約数和(自身を含む): 59875200

約数和(自身を除く): 32236888

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 71, 76, 104, 142, 152, 197, 247, 284, 394, 494, 568, 788, 923, 988, 1349, 1576, 1846, 1976, 2561, 2698, 3692, 3743, 5122, 5396, 7384, 7486, 10244, 10792, 13987, 14972, 17537, 20488, 27974, 29944, 35074, 48659, 55948, 70148, 97318, 111896, 140296, 181831, 194636, 265753, 363662, 389272, 531506, 727324, 1063012, 1454648, 2126024, 3454789, 6909578, 13819156, 27638312]

約数ペア:

[(1, 27638312), (2, 13819156), (4, 6909578), (8, 3454789), (13, 2126024), (19, 1454648), (26, 1063012), (38, 727324), (52, 531506), (71, 389272), (76, 363662), (104, 265753), (142, 194636), (152, 181831), (197, 140296), (247, 111896), (284, 97318), (394, 70148), (494, 55948), (568, 48659), (788, 35074), (923, 29944), (988, 27974), (1349, 20488), (1576, 17537), (1846, 14972), (1976, 13987), (2561, 10792), (2698, 10244), (3692, 7486), (3743, 7384), (5122, 5396)]