28675736

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:276

約数の個数: 48

約数和(自身を含む): 58207200

約数和(自身を除く): 29531464

約数列:

[1, 2, 4, 8, 17, 34, 68, 79, 136, 157, 158, 289, 314, 316, 578, 628, 632, 1156, 1256, 1343, 2312, 2669, 2686, 5338, 5372, 10676, 10744, 12403, 21352, 22831, 24806, 45373, 45662, 49612, 90746, 91324, 99224, 181492, 182648, 210851, 362984, 421702, 843404, 1686808, 3584467, 7168934, 14337868, 28675736]

約数ペア:

[(1, 28675736), (2, 14337868), (4, 7168934), (8, 3584467), (17, 1686808), (34, 843404), (68, 421702), (79, 362984), (136, 210851), (157, 182648), (158, 181492), (289, 99224), (314, 91324), (316, 90746), (578, 49612), (628, 45662), (632, 45373), (1156, 24806), (1256, 22831), (1343, 21352), (2312, 12403), (2669, 10744), (2686, 10676), (5338, 5372)]