78679984

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:206

約数の個数: 80

約数和(自身を含む): 166489344

約数和(自身を除く): 87809360

約数列:

[1, 2, 4, 8, 16, 31, 41, 53, 62, 73, 82, 106, 124, 146, 164, 212, 248, 292, 328, 424, 496, 584, 656, 848, 1168, 1271, 1643, 2173, 2263, 2542, 2993, 3286, 3869, 4346, 4526, 5084, 5986, 6572, 7738, 8692, 9052, 10168, 11972, 13144, 15476, 17384, 18104, 20336, 23944, 26288, 30952, 34768, 36208, 47888, 61904, 67363, 92783, 119939, 134726, 158629, 185566, 239878, 269452, 317258, 371132, 479756, 538904, 634516, 742264, 959512, 1077808, 1269032, 1484528, 1919024, 2538064, 4917499, 9834998, 19669996, 39339992, 78679984]

約数ペア:

[(1, 78679984), (2, 39339992), (4, 19669996), (8, 9834998), (16, 4917499), (31, 2538064), (41, 1919024), (53, 1484528), (62, 1269032), (73, 1077808), (82, 959512), (106, 742264), (124, 634516), (146, 538904), (164, 479756), (212, 371132), (248, 317258), (292, 269452), (328, 239878), (424, 185566), (496, 158629), (584, 134726), (656, 119939), (848, 92783), (1168, 67363), (1271, 61904), (1643, 47888), (2173, 36208), (2263, 34768), (2542, 30952), (2993, 26288), (3286, 23944), (3869, 20336), (4346, 18104), (4526, 17384), (5084, 15476), (5986, 13144), (6572, 11972), (7738, 10168), (8692, 9052)]