161428284

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{1831}}^1$

素因数の和:1951

約数の個数: 72

約数和(自身を含む): 426782720

約数和(自身を除く): 265354436

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 79, 93, 124, 158, 186, 237, 279, 316, 372, 474, 558, 711, 948, 1116, 1422, 1831, 2449, 2844, 3662, 4898, 5493, 7324, 7347, 9796, 10986, 14694, 16479, 21972, 22041, 29388, 32958, 44082, 56761, 65916, 88164, 113522, 144649, 170283, 227044, 289298, 340566, 433947, 510849, 578596, 681132, 867894, 1021698, 1301841, 1735788, 2043396, 2603682, 4484119, 5207364, 8968238, 13452357, 17936476, 26904714, 40357071, 53809428, 80714142, 161428284]

約数ペア:

[(1, 161428284), (2, 80714142), (3, 53809428), (4, 40357071), (6, 26904714), (9, 17936476), (12, 13452357), (18, 8968238), (31, 5207364), (36, 4484119), (62, 2603682), (79, 2043396), (93, 1735788), (124, 1301841), (158, 1021698), (186, 867894), (237, 681132), (279, 578596), (316, 510849), (372, 433947), (474, 340566), (558, 289298), (711, 227044), (948, 170283), (1116, 144649), (1422, 113522), (1831, 88164), (2449, 65916), (2844, 56761), (3662, 44082), (4898, 32958), (5493, 29388), (7324, 22041), (7347, 21972), (9796, 16479), (10986, 14694)]