213315524

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:245

約数の個数: 72

約数和(自身を含む): 423335808

約数和(自身を除く): 210020284

約数列:

[1, 2, 4, 17, 23, 34, 46, 68, 71, 92, 113, 142, 226, 284, 289, 391, 452, 578, 782, 1156, 1207, 1564, 1633, 1921, 2414, 2599, 3266, 3842, 4828, 5198, 6532, 6647, 7684, 8023, 10396, 13294, 16046, 20519, 26588, 27761, 32092, 32657, 41038, 44183, 55522, 65314, 82076, 88366, 111044, 130628, 136391, 176732, 184529, 272782, 369058, 471937, 545564, 738116, 751111, 943874, 1502222, 1887748, 2318647, 3004444, 3136993, 4637294, 6273986, 9274588, 12547972, 53328881, 106657762, 213315524]

約数ペア:

[(1, 213315524), (2, 106657762), (4, 53328881), (17, 12547972), (23, 9274588), (34, 6273986), (46, 4637294), (68, 3136993), (71, 3004444), (92, 2318647), (113, 1887748), (142, 1502222), (226, 943874), (284, 751111), (289, 738116), (391, 545564), (452, 471937), (578, 369058), (782, 272782), (1156, 184529), (1207, 176732), (1564, 136391), (1633, 130628), (1921, 111044), (2414, 88366), (2599, 82076), (3266, 65314), (3842, 55522), (4828, 44183), (5198, 41038), (6532, 32657), (6647, 32092), (7684, 27761), (8023, 26588), (10396, 20519), (13294, 16046)]