71401728

素因数分解:

$2^8\times 3^1\times {\mathrm{239}}^1\times {\mathrm{389}}^1$

素因数の和:647

約数の個数: 72

約数和(自身を含む): 191318400

約数和(自身を除く): 119916672

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 239, 256, 384, 389, 478, 717, 768, 778, 956, 1167, 1434, 1556, 1912, 2334, 2868, 3112, 3824, 4668, 5736, 6224, 7648, 9336, 11472, 12448, 15296, 18672, 22944, 24896, 30592, 37344, 45888, 49792, 61184, 74688, 91776, 92971, 99584, 149376, 183552, 185942, 278913, 298752, 371884, 557826, 743768, 1115652, 1487536, 2231304, 2975072, 4462608, 5950144, 8925216, 11900288, 17850432, 23800576, 35700864, 71401728]

約数ペア:

[(1, 71401728), (2, 35700864), (3, 23800576), (4, 17850432), (6, 11900288), (8, 8925216), (12, 5950144), (16, 4462608), (24, 2975072), (32, 2231304), (48, 1487536), (64, 1115652), (96, 743768), (128, 557826), (192, 371884), (239, 298752), (256, 278913), (384, 185942), (389, 183552), (478, 149376), (717, 99584), (768, 92971), (778, 91776), (956, 74688), (1167, 61184), (1434, 49792), (1556, 45888), (1912, 37344), (2334, 30592), (2868, 24896), (3112, 22944), (3824, 18672), (4668, 15296), (5736, 12448), (6224, 11472), (7648, 9336)]