28374808

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{631}}^1$

素因数の和:728

約数の個数: 64

約数和(自身を含む): 67345920

約数和(自身を除く): 38971112

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 73, 77, 88, 146, 154, 292, 308, 511, 584, 616, 631, 803, 1022, 1262, 1606, 2044, 2524, 3212, 4088, 4417, 5048, 5621, 6424, 6941, 8834, 11242, 13882, 17668, 22484, 27764, 35336, 44968, 46063, 48587, 55528, 92126, 97174, 184252, 194348, 322441, 368504, 388696, 506693, 644882, 1013386, 1289764, 2026772, 2579528, 3546851, 4053544, 7093702, 14187404, 28374808]

約数ペア:

[(1, 28374808), (2, 14187404), (4, 7093702), (7, 4053544), (8, 3546851), (11, 2579528), (14, 2026772), (22, 1289764), (28, 1013386), (44, 644882), (56, 506693), (73, 388696), (77, 368504), (88, 322441), (146, 194348), (154, 184252), (292, 97174), (308, 92126), (511, 55528), (584, 48587), (616, 46063), (631, 44968), (803, 35336), (1022, 27764), (1262, 22484), (1606, 17668), (2044, 13882), (2524, 11242), (3212, 8834), (4088, 6941), (4417, 6424), (5048, 5621)]