81149572

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{367}}^1$

素因数の和:580

約数の個数: 48

約数和(自身を含む): 166924800

約数和(自身を除く): 85775228

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 149, 212, 298, 367, 371, 596, 734, 742, 1043, 1468, 1484, 2086, 2569, 4172, 5138, 7897, 10276, 15794, 19451, 31588, 38902, 54683, 55279, 77804, 109366, 110558, 136157, 218732, 221116, 272314, 382781, 544628, 765562, 1531124, 2898199, 5796398, 11592796, 20287393, 40574786, 81149572]

約数ペア:

[(1, 81149572), (2, 40574786), (4, 20287393), (7, 11592796), (14, 5796398), (28, 2898199), (53, 1531124), (106, 765562), (149, 544628), (212, 382781), (298, 272314), (367, 221116), (371, 218732), (596, 136157), (734, 110558), (742, 109366), (1043, 77804), (1468, 55279), (1484, 54683), (2086, 38902), (2569, 31588), (4172, 19451), (5138, 15794), (7897, 10276)]