128635728

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{977}}^1$

素因数の和:1212

約数の個数: 80

約数和(自身を含む): 359935296

約数和(自身を除く): 231299568

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 211, 312, 422, 624, 633, 844, 977, 1266, 1688, 1954, 2532, 2743, 2931, 3376, 3908, 5064, 5486, 5862, 7816, 8229, 10128, 10972, 11724, 12701, 15632, 16458, 21944, 23448, 25402, 32916, 38103, 43888, 46896, 50804, 65832, 76206, 101608, 131664, 152412, 203216, 206147, 304824, 412294, 609648, 618441, 824588, 1236882, 1649176, 2473764, 2679911, 3298352, 4947528, 5359822, 8039733, 9895056, 10719644, 16079466, 21439288, 32158932, 42878576, 64317864, 128635728]

約数ペア:

[(1, 128635728), (2, 64317864), (3, 42878576), (4, 32158932), (6, 21439288), (8, 16079466), (12, 10719644), (13, 9895056), (16, 8039733), (24, 5359822), (26, 4947528), (39, 3298352), (48, 2679911), (52, 2473764), (78, 1649176), (104, 1236882), (156, 824588), (208, 618441), (211, 609648), (312, 412294), (422, 304824), (624, 206147), (633, 203216), (844, 152412), (977, 131664), (1266, 101608), (1688, 76206), (1954, 65832), (2532, 50804), (2743, 46896), (2931, 43888), (3376, 38103), (3908, 32916), (5064, 25402), (5486, 23448), (5862, 21944), (7816, 16458), (8229, 15632), (10128, 12701), (10972, 11724)]