221561712

素因数分解:

$2^4\times 3^2\times {\mathrm{31}}^1\times {\mathrm{49633}}^1$

素因数の和:49678

約数の個数: 60

約数和(自身を含む): 640080064

約数和(自身を除く): 418518352

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 36, 48, 62, 72, 93, 124, 144, 186, 248, 279, 372, 496, 558, 744, 1116, 1488, 2232, 4464, 49633, 99266, 148899, 198532, 297798, 397064, 446697, 595596, 794128, 893394, 1191192, 1538623, 1786788, 2382384, 3077246, 3573576, 4615869, 6154492, 7147152, 9231738, 12308984, 13847607, 18463476, 24617968, 27695214, 36926952, 55390428, 73853904, 110780856, 221561712]

約数ペア:

[(1, 221561712), (2, 110780856), (3, 73853904), (4, 55390428), (6, 36926952), (8, 27695214), (9, 24617968), (12, 18463476), (16, 13847607), (18, 12308984), (24, 9231738), (31, 7147152), (36, 6154492), (48, 4615869), (62, 3573576), (72, 3077246), (93, 2382384), (124, 1786788), (144, 1538623), (186, 1191192), (248, 893394), (279, 794128), (372, 595596), (496, 446697), (558, 397064), (744, 297798), (1116, 198532), (1488, 148899), (2232, 99266), (4464, 49633)]