71830984

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:310

約数の個数: 64

約数和(自身を含む): 148832640

約数和(自身を除く): 77001656

約数列:

[1, 2, 4, 8, 17, 34, 43, 68, 71, 86, 136, 142, 172, 173, 284, 344, 346, 568, 692, 731, 1207, 1384, 1462, 2414, 2924, 2941, 3053, 4828, 5848, 5882, 6106, 7439, 9656, 11764, 12212, 12283, 14878, 23528, 24424, 24566, 29756, 49132, 51901, 59512, 98264, 103802, 126463, 207604, 208811, 252926, 415208, 417622, 505852, 528169, 835244, 1011704, 1056338, 1670488, 2112676, 4225352, 8978873, 17957746, 35915492, 71830984]

約数ペア:

[(1, 71830984), (2, 35915492), (4, 17957746), (8, 8978873), (17, 4225352), (34, 2112676), (43, 1670488), (68, 1056338), (71, 1011704), (86, 835244), (136, 528169), (142, 505852), (172, 417622), (173, 415208), (284, 252926), (344, 208811), (346, 207604), (568, 126463), (692, 103802), (731, 98264), (1207, 59512), (1384, 51901), (1462, 49132), (2414, 29756), (2924, 24566), (2941, 24424), (3053, 23528), (4828, 14878), (5848, 12283), (5882, 12212), (6106, 11764), (7439, 9656)]