71031996

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{251}}^1\times {\mathrm{1123}}^1$

素因数の和:1391

約数の個数: 72

約数和(自身を含む): 206204544

約数和(自身を除く): 135172548

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 251, 252, 502, 753, 1004, 1123, 1506, 1757, 2246, 2259, 3012, 3369, 3514, 4492, 4518, 5271, 6738, 7028, 7861, 9036, 10107, 10542, 13476, 15722, 15813, 20214, 21084, 23583, 31444, 31626, 40428, 47166, 63252, 70749, 94332, 141498, 281873, 282996, 563746, 845619, 1127492, 1691238, 1973111, 2536857, 3382476, 3946222, 5073714, 5919333, 7892444, 10147428, 11838666, 17757999, 23677332, 35515998, 71031996]

約数ペア:

[(1, 71031996), (2, 35515998), (3, 23677332), (4, 17757999), (6, 11838666), (7, 10147428), (9, 7892444), (12, 5919333), (14, 5073714), (18, 3946222), (21, 3382476), (28, 2536857), (36, 1973111), (42, 1691238), (63, 1127492), (84, 845619), (126, 563746), (251, 282996), (252, 281873), (502, 141498), (753, 94332), (1004, 70749), (1123, 63252), (1506, 47166), (1757, 40428), (2246, 31626), (2259, 31444), (3012, 23583), (3369, 21084), (3514, 20214), (4492, 15813), (4518, 15722), (5271, 13476), (6738, 10542), (7028, 10107), (7861, 9036)]