51285156

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{521}}^1\times {\mathrm{631}}^1$

素因数の和:1172

約数の個数: 48

約数和(自身を含む): 129322368

約数和(自身を除く): 78037212

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 521, 631, 1042, 1262, 1563, 1893, 2084, 2524, 3126, 3786, 6252, 6773, 7572, 8203, 13546, 16406, 20319, 24609, 27092, 32812, 40638, 49218, 81276, 98436, 328751, 657502, 986253, 1315004, 1972506, 3945012, 4273763, 8547526, 12821289, 17095052, 25642578, 51285156]

約数ペア:

[(1, 51285156), (2, 25642578), (3, 17095052), (4, 12821289), (6, 8547526), (12, 4273763), (13, 3945012), (26, 1972506), (39, 1315004), (52, 986253), (78, 657502), (156, 328751), (521, 98436), (631, 81276), (1042, 49218), (1262, 40638), (1563, 32812), (1893, 27092), (2084, 24609), (2524, 20319), (3126, 16406), (3786, 13546), (6252, 8203), (6773, 7572)]