28404528

素因数分解:

$2^4\times 3^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:270

約数の個数: 80

約数和(自身を含む): 76111200

約数和(自身を除く): 47706672

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 61, 89, 109, 122, 178, 183, 218, 244, 267, 327, 356, 366, 436, 488, 534, 654, 712, 732, 872, 976, 1068, 1308, 1424, 1464, 1744, 2136, 2616, 2928, 4272, 5232, 5429, 6649, 9701, 10858, 13298, 16287, 19402, 19947, 21716, 26596, 29103, 32574, 38804, 39894, 43432, 53192, 58206, 65148, 77608, 79788, 86864, 106384, 116412, 130296, 155216, 159576, 232824, 260592, 319152, 465648, 591761, 1183522, 1775283, 2367044, 3550566, 4734088, 7101132, 9468176, 14202264, 28404528]

約数ペア:

[(1, 28404528), (2, 14202264), (3, 9468176), (4, 7101132), (6, 4734088), (8, 3550566), (12, 2367044), (16, 1775283), (24, 1183522), (48, 591761), (61, 465648), (89, 319152), (109, 260592), (122, 232824), (178, 159576), (183, 155216), (218, 130296), (244, 116412), (267, 106384), (327, 86864), (356, 79788), (366, 77608), (436, 65148), (488, 58206), (534, 53192), (654, 43432), (712, 39894), (732, 38804), (872, 32574), (976, 29103), (1068, 26596), (1308, 21716), (1424, 19947), (1464, 19402), (1744, 16287), (2136, 13298), (2616, 10858), (2928, 9701), (4272, 6649), (5232, 5429)]