128456436

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{2719}}^1$

素因数の和:2884

約数の個数: 48

約数和(自身を含む): 311951360

約数和(自身を除く): 183494924

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 93, 124, 127, 186, 254, 372, 381, 508, 762, 1524, 2719, 3937, 5438, 7874, 8157, 10876, 11811, 15748, 16314, 23622, 32628, 47244, 84289, 168578, 252867, 337156, 345313, 505734, 690626, 1011468, 1035939, 1381252, 2071878, 4143756, 10704703, 21409406, 32114109, 42818812, 64228218, 128456436]

約数ペア:

[(1, 128456436), (2, 64228218), (3, 42818812), (4, 32114109), (6, 21409406), (12, 10704703), (31, 4143756), (62, 2071878), (93, 1381252), (124, 1035939), (127, 1011468), (186, 690626), (254, 505734), (372, 345313), (381, 337156), (508, 252867), (762, 168578), (1524, 84289), (2719, 47244), (3937, 32628), (5438, 23622), (7874, 16314), (8157, 15748), (10876, 11811)]