178996528

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{2207}}^1$

素因数の和:2389

約数の個数: 40

約数和(自身を含む): 358941312

約数和(自身を除く): 179944784

約数列:

[1, 2, 4, 8, 16, 37, 74, 137, 148, 274, 296, 548, 592, 1096, 2192, 2207, 4414, 5069, 8828, 10138, 17656, 20276, 35312, 40552, 81104, 81659, 163318, 302359, 326636, 604718, 653272, 1209436, 1306544, 2418872, 4837744, 11187283, 22374566, 44749132, 89498264, 178996528]

約数ペア:

[(1, 178996528), (2, 89498264), (4, 44749132), (8, 22374566), (16, 11187283), (37, 4837744), (74, 2418872), (137, 1306544), (148, 1209436), (274, 653272), (296, 604718), (548, 326636), (592, 302359), (1096, 163318), (2192, 81659), (2207, 81104), (4414, 40552), (5069, 35312), (8828, 20276), (10138, 17656)]