71167408

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:246

約数の個数: 80

約数和(自身を含む): 155441440

約数和(自身を除く): 84274032

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 73, 86, 104, 109, 146, 172, 208, 218, 292, 344, 436, 559, 584, 688, 872, 949, 1118, 1168, 1417, 1744, 1898, 2236, 2834, 3139, 3796, 4472, 4687, 5668, 6278, 7592, 7957, 8944, 9374, 11336, 12556, 15184, 15914, 18748, 22672, 25112, 31828, 37496, 40807, 50224, 60931, 63656, 74992, 81614, 103441, 121862, 127312, 163228, 206882, 243724, 326456, 342151, 413764, 487448, 652912, 684302, 827528, 974896, 1368604, 1655056, 2737208, 4447963, 5474416, 8895926, 17791852, 35583704, 71167408]

約数ペア:

[(1, 71167408), (2, 35583704), (4, 17791852), (8, 8895926), (13, 5474416), (16, 4447963), (26, 2737208), (43, 1655056), (52, 1368604), (73, 974896), (86, 827528), (104, 684302), (109, 652912), (146, 487448), (172, 413764), (208, 342151), (218, 326456), (292, 243724), (344, 206882), (436, 163228), (559, 127312), (584, 121862), (688, 103441), (872, 81614), (949, 74992), (1118, 63656), (1168, 60931), (1417, 50224), (1744, 40807), (1898, 37496), (2236, 31828), (2834, 25112), (3139, 22672), (3796, 18748), (4472, 15914), (4687, 15184), (5668, 12556), (6278, 11336), (7592, 9374), (7957, 8944)]