128974508

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{4211}}^1$

素因数の和:4278

約数の個数: 48

約数和(自身を含む): 264176640

約数和(自身を除く): 135202132

約数列:

[1, 2, 4, 13, 19, 26, 31, 38, 52, 62, 76, 124, 247, 403, 494, 589, 806, 988, 1178, 1612, 2356, 4211, 7657, 8422, 15314, 16844, 30628, 54743, 80009, 109486, 130541, 160018, 218972, 261082, 320036, 522164, 1040117, 1697033, 2080234, 2480279, 3394066, 4160468, 4960558, 6788132, 9921116, 32243627, 64487254, 128974508]

約数ペア:

[(1, 128974508), (2, 64487254), (4, 32243627), (13, 9921116), (19, 6788132), (26, 4960558), (31, 4160468), (38, 3394066), (52, 2480279), (62, 2080234), (76, 1697033), (124, 1040117), (247, 522164), (403, 320036), (494, 261082), (589, 218972), (806, 160018), (988, 130541), (1178, 109486), (1612, 80009), (2356, 54743), (4211, 30628), (7657, 16844), (8422, 15314)]