508137539

素因数分解:

$7^1\times {\mathrm{13}}^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:149

約数の個数: 64

約数和(自身を含む): 694579200

約数和(自身を除く): 186441661

約数列:

[1, 7, 13, 19, 37, 47, 91, 133, 169, 247, 259, 329, 481, 611, 703, 893, 1183, 1729, 1739, 2197, 3211, 3367, 4277, 4921, 6251, 6253, 7943, 9139, 11609, 12173, 15379, 22477, 22607, 33041, 41743, 43771, 55601, 63973, 81263, 81289, 103259, 118807, 150917, 158249, 231287, 292201, 293891, 429533, 569023, 722813, 831649, 1056419, 1544491, 1961921, 2057237, 3006731, 3820583, 5583929, 10811437, 13733447, 26744081, 39087503, 72591077, 508137539]

約数ペア:

[(1, 508137539), (7, 72591077), (13, 39087503), (19, 26744081), (37, 13733447), (47, 10811437), (91, 5583929), (133, 3820583), (169, 3006731), (247, 2057237), (259, 1961921), (329, 1544491), (481, 1056419), (611, 831649), (703, 722813), (893, 569023), (1183, 429533), (1729, 293891), (1739, 292201), (2197, 231287), (3211, 158249), (3367, 150917), (4277, 118807), (4921, 103259), (6251, 81289), (6253, 81263), (7943, 63973), (9139, 55601), (11609, 43771), (12173, 41743), (15379, 33041), (22477, 22607)]