256501812

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{719}}^1$

素因数の和:901

約数の個数: 96

約数和(自身を含む): 712212480

約数和(自身を除く): 455710668

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 42, 62, 84, 93, 124, 137, 186, 217, 274, 372, 411, 434, 548, 651, 719, 822, 868, 959, 1302, 1438, 1644, 1918, 2157, 2604, 2876, 2877, 3836, 4247, 4314, 5033, 5754, 8494, 8628, 10066, 11508, 12741, 15099, 16988, 20132, 22289, 25482, 29729, 30198, 44578, 50964, 59458, 60396, 66867, 89156, 89187, 98503, 118916, 133734, 156023, 178374, 197006, 267468, 295509, 312046, 356748, 394012, 468069, 591018, 624092, 689521, 936138, 1182036, 1379042, 1872276, 2068563, 2758084, 3053593, 4137126, 6107186, 8274252, 9160779, 12214372, 18321558, 21375151, 36643116, 42750302, 64125453, 85500604, 128250906, 256501812]

約数ペア:

[(1, 256501812), (2, 128250906), (3, 85500604), (4, 64125453), (6, 42750302), (7, 36643116), (12, 21375151), (14, 18321558), (21, 12214372), (28, 9160779), (31, 8274252), (42, 6107186), (62, 4137126), (84, 3053593), (93, 2758084), (124, 2068563), (137, 1872276), (186, 1379042), (217, 1182036), (274, 936138), (372, 689521), (411, 624092), (434, 591018), (548, 468069), (651, 394012), (719, 356748), (822, 312046), (868, 295509), (959, 267468), (1302, 197006), (1438, 178374), (1644, 156023), (1918, 133734), (2157, 118916), (2604, 98503), (2876, 89187), (2877, 89156), (3836, 66867), (4247, 60396), (4314, 59458), (5033, 50964), (5754, 44578), (8494, 30198), (8628, 29729), (10066, 25482), (11508, 22289), (12741, 20132), (15099, 16988)]