638805936

素因数分解:

$2^4\times 3^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{2437}}^1$

素因数の和:2618

約数の個数: 80

約数和(自身を含む): 1702621184

約数和(自身を除く): 1063815248

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 43, 48, 86, 127, 129, 172, 254, 258, 344, 381, 508, 516, 688, 762, 1016, 1032, 1524, 2032, 2064, 2437, 3048, 4874, 5461, 6096, 7311, 9748, 10922, 14622, 16383, 19496, 21844, 29244, 32766, 38992, 43688, 58488, 65532, 87376, 104791, 116976, 131064, 209582, 262128, 309499, 314373, 419164, 618998, 628746, 838328, 928497, 1237996, 1257492, 1676656, 1856994, 2475992, 2514984, 3713988, 4951984, 5029968, 7427976, 13308457, 14855952, 26616914, 39925371, 53233828, 79850742, 106467656, 159701484, 212935312, 319402968, 638805936]

約数ペア:

[(1, 638805936), (2, 319402968), (3, 212935312), (4, 159701484), (6, 106467656), (8, 79850742), (12, 53233828), (16, 39925371), (24, 26616914), (43, 14855952), (48, 13308457), (86, 7427976), (127, 5029968), (129, 4951984), (172, 3713988), (254, 2514984), (258, 2475992), (344, 1856994), (381, 1676656), (508, 1257492), (516, 1237996), (688, 928497), (762, 838328), (1016, 628746), (1032, 618998), (1524, 419164), (2032, 314373), (2064, 309499), (2437, 262128), (3048, 209582), (4874, 131064), (5461, 116976), (6096, 104791), (7311, 87376), (9748, 65532), (10922, 58488), (14622, 43688), (16383, 38992), (19496, 32766), (21844, 29244)]