161938048

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1103}}^1$

素因数の和:1185

約数の個数: 64

約数和(自身を含む): 342328320

約数和(自身を除く): 180390272

約数列:

[1, 2, 4, 8, 16, 31, 32, 37, 62, 64, 74, 124, 128, 148, 248, 296, 496, 592, 992, 1103, 1147, 1184, 1984, 2206, 2294, 2368, 3968, 4412, 4588, 4736, 8824, 9176, 17648, 18352, 34193, 35296, 36704, 40811, 68386, 70592, 73408, 81622, 136772, 141184, 146816, 163244, 273544, 326488, 547088, 652976, 1094176, 1265141, 1305952, 2188352, 2530282, 2611904, 4376704, 5060564, 5223808, 10121128, 20242256, 40484512, 80969024, 161938048]

約数ペア:

[(1, 161938048), (2, 80969024), (4, 40484512), (8, 20242256), (16, 10121128), (31, 5223808), (32, 5060564), (37, 4376704), (62, 2611904), (64, 2530282), (74, 2188352), (124, 1305952), (128, 1265141), (148, 1094176), (248, 652976), (296, 547088), (496, 326488), (592, 273544), (992, 163244), (1103, 146816), (1147, 141184), (1184, 136772), (1984, 81622), (2206, 73408), (2294, 70592), (2368, 68386), (3968, 40811), (4412, 36704), (4588, 35296), (4736, 34193), (8824, 18352), (9176, 17648)]