1987273494

素因数分解:

$2^1\times 3^3\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{4049}}^1$

素因数の和:4270

約数の個数: 64

約数和(自身を含む): 4519800000

約数和(自身を除く): 2532526506

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 61, 122, 149, 183, 298, 366, 447, 549, 894, 1098, 1341, 1647, 2682, 3294, 4023, 4049, 8046, 8098, 9089, 12147, 18178, 24294, 27267, 36441, 54534, 72882, 81801, 109323, 163602, 218646, 245403, 246989, 490806, 493978, 603301, 740967, 1206602, 1481934, 1809903, 2222901, 3619806, 4445802, 5429709, 6668703, 10859418, 13337406, 16289127, 32578254, 36801361, 73602722, 110404083, 220808166, 331212249, 662424498, 993636747, 1987273494]

約数ペア:

[(1, 1987273494), (2, 993636747), (3, 662424498), (6, 331212249), (9, 220808166), (18, 110404083), (27, 73602722), (54, 36801361), (61, 32578254), (122, 16289127), (149, 13337406), (183, 10859418), (298, 6668703), (366, 5429709), (447, 4445802), (549, 3619806), (894, 2222901), (1098, 1809903), (1341, 1481934), (1647, 1206602), (2682, 740967), (3294, 603301), (4023, 493978), (4049, 490806), (8046, 246989), (8098, 245403), (9089, 218646), (12147, 163602), (18178, 109323), (24294, 81801), (27267, 72882), (36441, 54534)]