642804

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1$

素因数の和:184

約数の個数: 48

約数和(自身を含む): 1669248

約数和(自身を除く): 1026444

約数列:

[1, 2, 3, 4, 6, 12, 17, 23, 34, 46, 51, 68, 69, 92, 102, 137, 138, 204, 274, 276, 391, 411, 548, 782, 822, 1173, 1564, 1644, 2329, 2346, 3151, 4658, 4692, 6302, 6987, 9316, 9453, 12604, 13974, 18906, 27948, 37812, 53567, 107134, 160701, 214268, 321402, 642804]

約数ペア:

[(1, 642804), (2, 321402), (3, 214268), (4, 160701), (6, 107134), (12, 53567), (17, 37812), (23, 27948), (34, 18906), (46, 13974), (51, 12604), (68, 9453), (69, 9316), (92, 6987), (102, 6302), (137, 4692), (138, 4658), (204, 3151), (274, 2346), (276, 2329), (391, 1644), (411, 1564), (548, 1173), (782, 822)]