72120328

素因数分解:

$2^3\times 7^1\times {\mathrm{163}}^1\times {\mathrm{7901}}^1$

素因数の和:8077

約数の個数: 32

約数和(自身を含む): 155511360

約数和(自身を除く): 83391032

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 163, 326, 652, 1141, 1304, 2282, 4564, 7901, 9128, 15802, 31604, 55307, 63208, 110614, 221228, 442456, 1287863, 2575726, 5151452, 9015041, 10302904, 18030082, 36060164, 72120328]

約数ペア:

[(1, 72120328), (2, 36060164), (4, 18030082), (7, 10302904), (8, 9015041), (14, 5151452), (28, 2575726), (56, 1287863), (163, 442456), (326, 221228), (652, 110614), (1141, 63208), (1304, 55307), (2282, 31604), (4564, 15802), (7901, 9128)]