12971528

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1399}}^1$

素因数の和:1485

約数の個数: 32

約数和(自身を含む): 26040000

約数和(自身を除く): 13068472

約数列:

[1, 2, 4, 8, 19, 38, 61, 76, 122, 152, 244, 488, 1159, 1399, 2318, 2798, 4636, 5596, 9272, 11192, 26581, 53162, 85339, 106324, 170678, 212648, 341356, 682712, 1621441, 3242882, 6485764, 12971528]

約数ペア:

[(1, 12971528), (2, 6485764), (4, 3242882), (8, 1621441), (19, 682712), (38, 341356), (61, 212648), (76, 170678), (122, 106324), (152, 85339), (244, 53162), (488, 26581), (1159, 11192), (1399, 9272), (2318, 5596), (2798, 4636)]