1640783886

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{263}}^1\times {\mathrm{1669}}^1$

素因数の和:2033

約数の個数: 64

約数和(自身を含む): 3809203200

約数和(自身を除く): 2168419314

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 89, 178, 263, 267, 526, 534, 623, 789, 1246, 1578, 1669, 1841, 1869, 3338, 3682, 3738, 5007, 5523, 10014, 11046, 11683, 23366, 23407, 35049, 46814, 70098, 70221, 140442, 148541, 163849, 297082, 327698, 438947, 445623, 491547, 877894, 891246, 983094, 1039787, 1316841, 2079574, 2633682, 3072629, 3119361, 6145258, 6238722, 9217887, 18435774, 39066283, 78132566, 117198849, 234397698, 273463981, 546927962, 820391943, 1640783886]

約数ペア:

[(1, 1640783886), (2, 820391943), (3, 546927962), (6, 273463981), (7, 234397698), (14, 117198849), (21, 78132566), (42, 39066283), (89, 18435774), (178, 9217887), (263, 6238722), (267, 6145258), (526, 3119361), (534, 3072629), (623, 2633682), (789, 2079574), (1246, 1316841), (1578, 1039787), (1669, 983094), (1841, 891246), (1869, 877894), (3338, 491547), (3682, 445623), (3738, 438947), (5007, 327698), (5523, 297082), (10014, 163849), (11046, 148541), (11683, 140442), (23366, 70221), (23407, 70098), (35049, 46814)]