28891874

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{1153}}^1$

素因数の和:1250

約数の個数: 32

約数和(自身を含む): 50849856

約数和(自身を除く): 21957982

約数列:

[1, 2, 11, 17, 22, 34, 67, 134, 187, 374, 737, 1139, 1153, 1474, 2278, 2306, 12529, 12683, 19601, 25058, 25366, 39202, 77251, 154502, 215611, 431222, 849761, 1313267, 1699522, 2626534, 14445937, 28891874]

約数ペア:

[(1, 28891874), (2, 14445937), (11, 2626534), (17, 1699522), (22, 1313267), (34, 849761), (67, 431222), (134, 215611), (187, 154502), (374, 77251), (737, 39202), (1139, 25366), (1153, 25058), (1474, 19601), (2278, 12683), (2306, 12529)]