1649892478

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1303}}^1\times {\mathrm{1571}}^1$

素因数の和:2920

約数の個数: 32

約数和(自身を含む): 2755049472

約数和(自身を除く): 1105156994

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 1303, 1571, 2606, 3142, 16939, 20423, 33878, 40393, 40846, 48701, 80786, 97402, 525109, 633113, 1050218, 1266226, 2047013, 4094026, 26611169, 53222338, 63457403, 126914806, 824946239, 1649892478]

約数ペア:

[(1, 1649892478), (2, 824946239), (13, 126914806), (26, 63457403), (31, 53222338), (62, 26611169), (403, 4094026), (806, 2047013), (1303, 1266226), (1571, 1050218), (2606, 633113), (3142, 525109), (16939, 97402), (20423, 80786), (33878, 48701), (40393, 40846)]