71808464

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{331}}^1$

素因数の和:508

約数の個数: 80

約数和(自身を含む): 172905600

約数和(自身を除く): 101097136

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 149, 182, 208, 298, 331, 364, 596, 662, 728, 1043, 1192, 1324, 1456, 1937, 2086, 2317, 2384, 2648, 3874, 4172, 4303, 4634, 5296, 7748, 8344, 8606, 9268, 13559, 15496, 16688, 17212, 18536, 27118, 30121, 30992, 34424, 37072, 49319, 54236, 60242, 68848, 98638, 108472, 120484, 197276, 216944, 240968, 345233, 394552, 481936, 641147, 690466, 789104, 1282294, 1380932, 2564588, 2761864, 4488029, 5129176, 5523728, 8976058, 10258352, 17952116, 35904232, 71808464]

約数ペア:

[(1, 71808464), (2, 35904232), (4, 17952116), (7, 10258352), (8, 8976058), (13, 5523728), (14, 5129176), (16, 4488029), (26, 2761864), (28, 2564588), (52, 1380932), (56, 1282294), (91, 789104), (104, 690466), (112, 641147), (149, 481936), (182, 394552), (208, 345233), (298, 240968), (331, 216944), (364, 197276), (596, 120484), (662, 108472), (728, 98638), (1043, 68848), (1192, 60242), (1324, 54236), (1456, 49319), (1937, 37072), (2086, 34424), (2317, 30992), (2384, 30121), (2648, 27118), (3874, 18536), (4172, 17212), (4303, 16688), (4634, 15496), (5296, 13559), (7748, 9268), (8344, 8606)]