28372736

素因数分解:

$2^8\times 7^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1$

素因数の和:317

約数の個数: 72

約数和(自身を含む): 65931264

約数和(自身を除く): 37558528

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 71, 112, 128, 142, 223, 224, 256, 284, 446, 448, 497, 568, 892, 896, 994, 1136, 1561, 1784, 1792, 1988, 2272, 3122, 3568, 3976, 4544, 6244, 7136, 7952, 9088, 12488, 14272, 15833, 15904, 18176, 24976, 28544, 31666, 31808, 49952, 57088, 63332, 63616, 99904, 110831, 126664, 127232, 199808, 221662, 253328, 399616, 443324, 506656, 886648, 1013312, 1773296, 2026624, 3546592, 4053248, 7093184, 14186368, 28372736]

約数ペア:

[(1, 28372736), (2, 14186368), (4, 7093184), (7, 4053248), (8, 3546592), (14, 2026624), (16, 1773296), (28, 1013312), (32, 886648), (56, 506656), (64, 443324), (71, 399616), (112, 253328), (128, 221662), (142, 199808), (223, 127232), (224, 126664), (256, 110831), (284, 99904), (446, 63616), (448, 63332), (497, 57088), (568, 49952), (892, 31808), (896, 31666), (994, 28544), (1136, 24976), (1561, 18176), (1784, 15904), (1792, 15833), (1988, 14272), (2272, 12488), (3122, 9088), (3568, 7952), (3976, 7136), (4544, 6244)]