291260788

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{4909}}^1$

素因数の和:5096

約数の個数: 48

約数和(自身を含む): 631308160

約数和(自身を除く): 340047372

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 163, 182, 326, 364, 652, 1141, 2119, 2282, 4238, 4564, 4909, 8476, 9818, 14833, 19636, 29666, 34363, 59332, 63817, 68726, 127634, 137452, 255268, 446719, 800167, 893438, 1600334, 1786876, 3200668, 5601169, 10402171, 11202338, 20804342, 22404676, 41608684, 72815197, 145630394, 291260788]

約数ペア:

[(1, 291260788), (2, 145630394), (4, 72815197), (7, 41608684), (13, 22404676), (14, 20804342), (26, 11202338), (28, 10402171), (52, 5601169), (91, 3200668), (163, 1786876), (182, 1600334), (326, 893438), (364, 800167), (652, 446719), (1141, 255268), (2119, 137452), (2282, 127634), (4238, 68726), (4564, 63817), (4909, 59332), (8476, 34363), (9818, 29666), (14833, 19636)]