81221376

素因数分解:

$2^8\times 3^1\times {\mathrm{17}}^1\times {\mathrm{6221}}^1$

素因数の和:6257

約数の個数: 72

約数和(自身を含む): 228919824

約数和(自身を除く): 147698448

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 48, 51, 64, 68, 96, 102, 128, 136, 192, 204, 256, 272, 384, 408, 544, 768, 816, 1088, 1632, 2176, 3264, 4352, 6221, 6528, 12442, 13056, 18663, 24884, 37326, 49768, 74652, 99536, 105757, 149304, 199072, 211514, 298608, 317271, 398144, 423028, 597216, 634542, 796288, 846056, 1194432, 1269084, 1592576, 1692112, 2388864, 2538168, 3384224, 4777728, 5076336, 6768448, 10152672, 13536896, 20305344, 27073792, 40610688, 81221376]

約数ペア:

[(1, 81221376), (2, 40610688), (3, 27073792), (4, 20305344), (6, 13536896), (8, 10152672), (12, 6768448), (16, 5076336), (17, 4777728), (24, 3384224), (32, 2538168), (34, 2388864), (48, 1692112), (51, 1592576), (64, 1269084), (68, 1194432), (96, 846056), (102, 796288), (128, 634542), (136, 597216), (192, 423028), (204, 398144), (256, 317271), (272, 298608), (384, 211514), (408, 199072), (544, 149304), (768, 105757), (816, 99536), (1088, 74652), (1632, 49768), (2176, 37326), (3264, 24884), (4352, 18663), (6221, 13056), (6528, 12442)]