261397332

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{33461}}^1$

素因数の和:33509

約数の個数: 72

約数和(自身を含む): 779530752

約数和(自身を除く): 518133420

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 31, 36, 42, 62, 63, 84, 93, 124, 126, 186, 217, 252, 279, 372, 434, 558, 651, 868, 1116, 1302, 1953, 2604, 3906, 7812, 33461, 66922, 100383, 133844, 200766, 234227, 301149, 401532, 468454, 602298, 702681, 936908, 1037291, 1204596, 1405362, 2074582, 2108043, 2810724, 3111873, 4149164, 4216086, 6223746, 7261037, 8432172, 9335619, 12447492, 14522074, 18671238, 21783111, 29044148, 37342476, 43566222, 65349333, 87132444, 130698666, 261397332]

約数ペア:

[(1, 261397332), (2, 130698666), (3, 87132444), (4, 65349333), (6, 43566222), (7, 37342476), (9, 29044148), (12, 21783111), (14, 18671238), (18, 14522074), (21, 12447492), (28, 9335619), (31, 8432172), (36, 7261037), (42, 6223746), (62, 4216086), (63, 4149164), (84, 3111873), (93, 2810724), (124, 2108043), (126, 2074582), (186, 1405362), (217, 1204596), (252, 1037291), (279, 936908), (372, 702681), (434, 602298), (558, 468454), (651, 401532), (868, 301149), (1116, 234227), (1302, 200766), (1953, 133844), (2604, 100383), (3906, 66922), (7812, 33461)]