128307264

素因数分解:

$2^6\times 3^1\times {\mathrm{31}}^1\times {\mathrm{21557}}^1$

素因数の和:21603

約数の個数: 56

約数和(自身を含む): 350446848

約数和(自身を除く): 222139584

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 64, 93, 96, 124, 186, 192, 248, 372, 496, 744, 992, 1488, 1984, 2976, 5952, 21557, 43114, 64671, 86228, 129342, 172456, 258684, 344912, 517368, 668267, 689824, 1034736, 1336534, 1379648, 2004801, 2069472, 2673068, 4009602, 4138944, 5346136, 8019204, 10692272, 16038408, 21384544, 32076816, 42769088, 64153632, 128307264]

約数ペア:

[(1, 128307264), (2, 64153632), (3, 42769088), (4, 32076816), (6, 21384544), (8, 16038408), (12, 10692272), (16, 8019204), (24, 5346136), (31, 4138944), (32, 4009602), (48, 2673068), (62, 2069472), (64, 2004801), (93, 1379648), (96, 1336534), (124, 1034736), (186, 689824), (192, 668267), (248, 517368), (372, 344912), (496, 258684), (744, 172456), (992, 129342), (1488, 86228), (1984, 64671), (2976, 43114), (5952, 21557)]