128663990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8317}}^1$

素因数の和:8361

約数の個数: 64

約数和(自身を含む): 301843584

約数和(自身を除く): 173179594

約数列:

[1, 2, 5, 7, 10, 13, 14, 17, 26, 34, 35, 65, 70, 85, 91, 119, 130, 170, 182, 221, 238, 442, 455, 595, 910, 1105, 1190, 1547, 2210, 3094, 7735, 8317, 15470, 16634, 41585, 58219, 83170, 108121, 116438, 141389, 216242, 282778, 291095, 540605, 582190, 706945, 756847, 989723, 1081210, 1413890, 1513694, 1838057, 1979446, 3676114, 3784235, 4948615, 7568470, 9190285, 9897230, 12866399, 18380570, 25732798, 64331995, 128663990]

約数ペア:

[(1, 128663990), (2, 64331995), (5, 25732798), (7, 18380570), (10, 12866399), (13, 9897230), (14, 9190285), (17, 7568470), (26, 4948615), (34, 3784235), (35, 3676114), (65, 1979446), (70, 1838057), (85, 1513694), (91, 1413890), (119, 1081210), (130, 989723), (170, 756847), (182, 706945), (221, 582190), (238, 540605), (442, 291095), (455, 282778), (595, 216242), (910, 141389), (1105, 116438), (1190, 108121), (1547, 83170), (2210, 58219), (3094, 41585), (7735, 16634), (8317, 15470)]