128320816

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{41}}^2\times {\mathrm{367}}^1$

素因数の和:470

約数の個数: 60

約数和(自身を含む): 275183776

約数和(自身を除く): 146862960

約数列:

[1, 2, 4, 8, 13, 16, 26, 41, 52, 82, 104, 164, 208, 328, 367, 533, 656, 734, 1066, 1468, 1681, 2132, 2936, 3362, 4264, 4771, 5872, 6724, 8528, 9542, 13448, 15047, 19084, 21853, 26896, 30094, 38168, 43706, 60188, 76336, 87412, 120376, 174824, 195611, 240752, 349648, 391222, 616927, 782444, 1233854, 1564888, 2467708, 3129776, 4935416, 8020051, 9870832, 16040102, 32080204, 64160408, 128320816]

約数ペア:

[(1, 128320816), (2, 64160408), (4, 32080204), (8, 16040102), (13, 9870832), (16, 8020051), (26, 4935416), (41, 3129776), (52, 2467708), (82, 1564888), (104, 1233854), (164, 782444), (208, 616927), (328, 391222), (367, 349648), (533, 240752), (656, 195611), (734, 174824), (1066, 120376), (1468, 87412), (1681, 76336), (2132, 60188), (2936, 43706), (3362, 38168), (4264, 30094), (4771, 26896), (5872, 21853), (6724, 19084), (8528, 15047), (9542, 13448)]