781977648

素因数分解:

$2^4\times 3^1\times {\mathrm{103}}^1\times {\mathrm{277}}^1\times {\mathrm{571}}^1$

素因数の和:962

約数の個数: 80

約数和(自身を含む): 2050670336

約数和(自身を除く): 1268692688

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 103, 206, 277, 309, 412, 554, 571, 618, 824, 831, 1108, 1142, 1236, 1648, 1662, 1713, 2216, 2284, 2472, 3324, 3426, 4432, 4568, 4944, 6648, 6852, 9136, 13296, 13704, 27408, 28531, 57062, 58813, 85593, 114124, 117626, 158167, 171186, 176439, 228248, 235252, 316334, 342372, 352878, 456496, 470504, 474501, 632668, 684744, 705756, 941008, 949002, 1265336, 1369488, 1411512, 1898004, 2530672, 2823024, 3796008, 7592016, 16291201, 32582402, 48873603, 65164804, 97747206, 130329608, 195494412, 260659216, 390988824, 781977648]

約数ペア:

[(1, 781977648), (2, 390988824), (3, 260659216), (4, 195494412), (6, 130329608), (8, 97747206), (12, 65164804), (16, 48873603), (24, 32582402), (48, 16291201), (103, 7592016), (206, 3796008), (277, 2823024), (309, 2530672), (412, 1898004), (554, 1411512), (571, 1369488), (618, 1265336), (824, 949002), (831, 941008), (1108, 705756), (1142, 684744), (1236, 632668), (1648, 474501), (1662, 470504), (1713, 456496), (2216, 352878), (2284, 342372), (2472, 316334), (3324, 235252), (3426, 228248), (4432, 176439), (4568, 171186), (4944, 158167), (6648, 117626), (6852, 114124), (9136, 85593), (13296, 58813), (13704, 57062), (27408, 28531)]