64988455

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{607}}^1$

素因数の和:668

約数の個数: 48

約数和(自身を含む): 99809280

約数和(自身を除く): 34820825

約数列:

[1, 5, 7, 19, 23, 35, 49, 95, 115, 133, 161, 245, 437, 607, 665, 805, 931, 1127, 2185, 3035, 3059, 4249, 4655, 5635, 11533, 13961, 15295, 21245, 21413, 29743, 57665, 69805, 80731, 97727, 107065, 148715, 265259, 403655, 488635, 565117, 684089, 1326295, 1856813, 2825585, 3420445, 9284065, 12997691, 64988455]

約数ペア:

[(1, 64988455), (5, 12997691), (7, 9284065), (19, 3420445), (23, 2825585), (35, 1856813), (49, 1326295), (95, 684089), (115, 565117), (133, 488635), (161, 403655), (245, 265259), (437, 148715), (607, 107065), (665, 97727), (805, 80731), (931, 69805), (1127, 57665), (2185, 29743), (3035, 21413), (3059, 21245), (4249, 15295), (4655, 13961), (5635, 11533)]