81794916

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{89}}^1\times {\mathrm{521}}^1$

素因数の和:634

約数の個数: 108

約数和(自身を含む): 243685260

約数和(自身を除く): 161890344

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 89, 98, 126, 147, 178, 196, 252, 267, 294, 356, 441, 521, 534, 588, 623, 801, 882, 1042, 1068, 1246, 1563, 1602, 1764, 1869, 2084, 2492, 3126, 3204, 3647, 3738, 4361, 4689, 5607, 6252, 7294, 7476, 8722, 9378, 10941, 11214, 13083, 14588, 17444, 18756, 21882, 22428, 25529, 26166, 32823, 39249, 43764, 46369, 51058, 52332, 65646, 76587, 78498, 92738, 102116, 131292, 139107, 153174, 156996, 185476, 229761, 278214, 306348, 324583, 417321, 459522, 556428, 649166, 834642, 919044, 973749, 1298332, 1669284, 1947498, 2272081, 2921247, 3894996, 4544162, 5842494, 6816243, 9088324, 11684988, 13632486, 20448729, 27264972, 40897458, 81794916]

約数ペア:

[(1, 81794916), (2, 40897458), (3, 27264972), (4, 20448729), (6, 13632486), (7, 11684988), (9, 9088324), (12, 6816243), (14, 5842494), (18, 4544162), (21, 3894996), (28, 2921247), (36, 2272081), (42, 1947498), (49, 1669284), (63, 1298332), (84, 973749), (89, 919044), (98, 834642), (126, 649166), (147, 556428), (178, 459522), (196, 417321), (252, 324583), (267, 306348), (294, 278214), (356, 229761), (441, 185476), (521, 156996), (534, 153174), (588, 139107), (623, 131292), (801, 102116), (882, 92738), (1042, 78498), (1068, 76587), (1246, 65646), (1563, 52332), (1602, 51058), (1764, 46369), (1869, 43764), (2084, 39249), (2492, 32823), (3126, 26166), (3204, 25529), (3647, 22428), (3738, 21882), (4361, 18756), (4689, 17444), (5607, 14588), (6252, 13083), (7294, 11214), (7476, 10941), (8722, 9378)]