1219988

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{233}}^1$

素因数の和:272

約数の個数: 48

約数和(自身を含む): 2830464

約数和(自身を除く): 1610476

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 28, 34, 44, 68, 77, 119, 154, 187, 233, 238, 308, 374, 466, 476, 748, 932, 1309, 1631, 2563, 2618, 3262, 3961, 5126, 5236, 6524, 7922, 10252, 15844, 17941, 27727, 35882, 43571, 55454, 71764, 87142, 110908, 174284, 304997, 609994, 1219988]

約数ペア:

[(1, 1219988), (2, 609994), (4, 304997), (7, 174284), (11, 110908), (14, 87142), (17, 71764), (22, 55454), (28, 43571), (34, 35882), (44, 27727), (68, 17941), (77, 15844), (119, 10252), (154, 7922), (187, 6524), (233, 5236), (238, 5126), (308, 3961), (374, 3262), (466, 2618), (476, 2563), (748, 1631), (932, 1309)]