68490008

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:308

約数の個数: 64

約数和(自身を含む): 142067520

約数和(自身を除く): 73577512

約数列:

[1, 2, 4, 8, 17, 34, 41, 68, 71, 82, 136, 142, 164, 173, 284, 328, 346, 568, 692, 697, 1207, 1384, 1394, 2414, 2788, 2911, 2941, 4828, 5576, 5822, 5882, 7093, 9656, 11644, 11764, 12283, 14186, 23288, 23528, 24566, 28372, 49132, 49487, 56744, 98264, 98974, 120581, 197948, 208811, 241162, 395896, 417622, 482324, 503603, 835244, 964648, 1007206, 1670488, 2014412, 4028824, 8561251, 17122502, 34245004, 68490008]

約数ペア:

[(1, 68490008), (2, 34245004), (4, 17122502), (8, 8561251), (17, 4028824), (34, 2014412), (41, 1670488), (68, 1007206), (71, 964648), (82, 835244), (136, 503603), (142, 482324), (164, 417622), (173, 395896), (284, 241162), (328, 208811), (346, 197948), (568, 120581), (692, 98974), (697, 98264), (1207, 56744), (1384, 49487), (1394, 49132), (2414, 28372), (2788, 24566), (2911, 23528), (2941, 23288), (4828, 14186), (5576, 12283), (5822, 11764), (5882, 11644), (7093, 9656)]