215351048

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{78941}}^1$

素因数の和:78989

約数の個数: 32

約数和(自身を含む): 454705920

約数和(自身を除く): 239354872

約数列:

[1, 2, 4, 8, 11, 22, 31, 44, 62, 88, 124, 248, 341, 682, 1364, 2728, 78941, 157882, 315764, 631528, 868351, 1736702, 2447171, 3473404, 4894342, 6946808, 9788684, 19577368, 26918881, 53837762, 107675524, 215351048]

約数ペア:

[(1, 215351048), (2, 107675524), (4, 53837762), (8, 26918881), (11, 19577368), (22, 9788684), (31, 6946808), (44, 4894342), (62, 3473404), (88, 2447171), (124, 1736702), (248, 868351), (341, 631528), (682, 315764), (1364, 157882), (2728, 78941)]