157556816

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{709}}^1$

素因数の和:796

約数の個数: 80

約数和(自身を含む): 348638400

約数和(自身を除く): 191081584

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 38, 43, 68, 76, 86, 136, 152, 172, 272, 304, 323, 344, 646, 688, 709, 731, 817, 1292, 1418, 1462, 1634, 2584, 2836, 2924, 3268, 5168, 5672, 5848, 6536, 11344, 11696, 12053, 13072, 13471, 13889, 24106, 26942, 27778, 30487, 48212, 53884, 55556, 60974, 96424, 107768, 111112, 121948, 192848, 215536, 222224, 229007, 243896, 458014, 487792, 518279, 579253, 916028, 1036558, 1158506, 1832056, 2073116, 2317012, 3664112, 4146232, 4634024, 8292464, 9268048, 9847301, 19694602, 39389204, 78778408, 157556816]

約数ペア:

[(1, 157556816), (2, 78778408), (4, 39389204), (8, 19694602), (16, 9847301), (17, 9268048), (19, 8292464), (34, 4634024), (38, 4146232), (43, 3664112), (68, 2317012), (76, 2073116), (86, 1832056), (136, 1158506), (152, 1036558), (172, 916028), (272, 579253), (304, 518279), (323, 487792), (344, 458014), (646, 243896), (688, 229007), (709, 222224), (731, 215536), (817, 192848), (1292, 121948), (1418, 111112), (1462, 107768), (1634, 96424), (2584, 60974), (2836, 55556), (2924, 53884), (3268, 48212), (5168, 30487), (5672, 27778), (5848, 26942), (6536, 24106), (11344, 13889), (11696, 13471), (12053, 13072)]