11977420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6581}}^1$

素因数の和:6610

約数の個数: 48

約数和(自身を含む): 30961728

約数和(自身を除く): 18984308

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 6581, 13162, 26324, 32905, 46067, 65810, 85553, 92134, 131620, 171106, 184268, 230335, 342212, 427765, 460670, 598871, 855530, 921340, 1197742, 1711060, 2395484, 2994355, 5988710, 11977420]

約数ペア:

[(1, 11977420), (2, 5988710), (4, 2994355), (5, 2395484), (7, 1711060), (10, 1197742), (13, 921340), (14, 855530), (20, 598871), (26, 460670), (28, 427765), (35, 342212), (52, 230335), (65, 184268), (70, 171106), (91, 131620), (130, 92134), (140, 85553), (182, 65810), (260, 46067), (364, 32905), (455, 26324), (910, 13162), (1820, 6581)]