393805952

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{1321}}^1$

素因数の和:1489

約数の個数: 64

約数和(自身を含む): 837381240

約数和(自身を除く): 443575288

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 137, 272, 274, 544, 548, 1088, 1096, 1321, 2176, 2192, 2329, 2642, 4384, 4658, 5284, 8768, 9316, 10568, 17536, 18632, 21136, 22457, 37264, 42272, 44914, 74528, 84544, 89828, 149056, 169088, 179656, 180977, 298112, 359312, 361954, 718624, 723908, 1437248, 1447816, 2874496, 2895632, 3076609, 5791264, 6153218, 11582528, 12306436, 23165056, 24612872, 49225744, 98451488, 196902976, 393805952]

約数ペア:

[(1, 393805952), (2, 196902976), (4, 98451488), (8, 49225744), (16, 24612872), (17, 23165056), (32, 12306436), (34, 11582528), (64, 6153218), (68, 5791264), (128, 3076609), (136, 2895632), (137, 2874496), (272, 1447816), (274, 1437248), (544, 723908), (548, 718624), (1088, 361954), (1096, 359312), (1321, 298112), (2176, 180977), (2192, 179656), (2329, 169088), (2642, 149056), (4384, 89828), (4658, 84544), (5284, 74528), (8768, 44914), (9316, 42272), (10568, 37264), (17536, 22457), (18632, 21136)]