258830

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1$

素因数の和:212

約数の個数: 32

約数和(自身を含む): 550368

約数和(自身を除く): 291538

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 181, 286, 362, 715, 905, 1430, 1810, 1991, 2353, 3982, 4706, 9955, 11765, 19910, 23530, 25883, 51766, 129415, 258830]

約数ペア:

[(1, 258830), (2, 129415), (5, 51766), (10, 25883), (11, 23530), (13, 19910), (22, 11765), (26, 9955), (55, 4706), (65, 3982), (110, 2353), (130, 1991), (143, 1810), (181, 1430), (286, 905), (362, 715)]