417256528

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{397}}^1$

素因数の和:612

約数の個数: 80

約数和(自身を含む): 906497536

約数和(自身を除く): 489241008

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 163, 208, 248, 326, 397, 403, 496, 652, 794, 806, 1304, 1588, 1612, 2119, 2608, 3176, 3224, 4238, 5053, 5161, 6352, 6448, 8476, 10106, 10322, 12307, 16952, 20212, 20644, 24614, 33904, 40424, 41288, 49228, 64711, 65689, 80848, 82576, 98456, 129422, 131378, 159991, 196912, 258844, 262756, 319982, 517688, 525512, 639964, 841243, 1035376, 1051024, 1279928, 1682486, 2006041, 2559856, 3364972, 4012082, 6729944, 8024164, 13459888, 16048328, 26078533, 32096656, 52157066, 104314132, 208628264, 417256528]

約数ペア:

[(1, 417256528), (2, 208628264), (4, 104314132), (8, 52157066), (13, 32096656), (16, 26078533), (26, 16048328), (31, 13459888), (52, 8024164), (62, 6729944), (104, 4012082), (124, 3364972), (163, 2559856), (208, 2006041), (248, 1682486), (326, 1279928), (397, 1051024), (403, 1035376), (496, 841243), (652, 639964), (794, 525512), (806, 517688), (1304, 319982), (1588, 262756), (1612, 258844), (2119, 196912), (2608, 159991), (3176, 131378), (3224, 129422), (4238, 98456), (5053, 82576), (5161, 80848), (6352, 65689), (6448, 64711), (8476, 49228), (10106, 41288), (10322, 40424), (12307, 33904), (16952, 24614), (20212, 20644)]