258173864

素因数分解:

$2^3\times {\mathrm{13}}^3\times {\mathrm{37}}^1\times {\mathrm{397}}^1$

素因数の和:479

約数の個数: 64

約数和(自身を含む): 539926800

約数和(自身を除く): 281752936

約数列:

[1, 2, 4, 8, 13, 26, 37, 52, 74, 104, 148, 169, 296, 338, 397, 481, 676, 794, 962, 1352, 1588, 1924, 2197, 3176, 3848, 4394, 5161, 6253, 8788, 10322, 12506, 14689, 17576, 20644, 25012, 29378, 41288, 50024, 58756, 67093, 81289, 117512, 134186, 162578, 190957, 268372, 325156, 381914, 536744, 650312, 763828, 872209, 1527656, 1744418, 2482441, 3488836, 4964882, 6977672, 9929764, 19859528, 32271733, 64543466, 129086932, 258173864]

約数ペア:

[(1, 258173864), (2, 129086932), (4, 64543466), (8, 32271733), (13, 19859528), (26, 9929764), (37, 6977672), (52, 4964882), (74, 3488836), (104, 2482441), (148, 1744418), (169, 1527656), (296, 872209), (338, 763828), (397, 650312), (481, 536744), (676, 381914), (794, 325156), (962, 268372), (1352, 190957), (1588, 162578), (1924, 134186), (2197, 117512), (3176, 81289), (3848, 67093), (4394, 58756), (5161, 50024), (6253, 41288), (8788, 29378), (10322, 25012), (12506, 20644), (14689, 17576)]