12887165

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:173

約数の個数: 32

約数和(自身を含む): 17141760

約数和(自身を除く): 4254595

約数列:

[1, 5, 29, 31, 47, 61, 145, 155, 235, 305, 899, 1363, 1457, 1769, 1891, 2867, 4495, 6815, 7285, 8845, 9455, 14335, 42253, 54839, 83143, 88877, 211265, 274195, 415715, 444385, 2577433, 12887165]

約数ペア:

[(1, 12887165), (5, 2577433), (29, 444385), (31, 415715), (47, 274195), (61, 211265), (145, 88877), (155, 83143), (235, 54839), (305, 42253), (899, 14335), (1363, 9455), (1457, 8845), (1769, 7285), (1891, 6815), (2867, 4495)]