123881992

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1709}}^1$

素因数の和:1786

約数の個数: 64

約数和(自身を含む): 271479600

約数和(自身を除く): 147597608

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 41, 52, 68, 82, 104, 136, 164, 221, 328, 442, 533, 697, 884, 1066, 1394, 1709, 1768, 2132, 2788, 3418, 4264, 5576, 6836, 9061, 13672, 18122, 22217, 29053, 36244, 44434, 58106, 70069, 72488, 88868, 116212, 140138, 177736, 232424, 280276, 377689, 560552, 755378, 910897, 1191173, 1510756, 1821794, 2382346, 3021512, 3643588, 4764692, 7287176, 9529384, 15485249, 30970498, 61940996, 123881992]

約数ペア:

[(1, 123881992), (2, 61940996), (4, 30970498), (8, 15485249), (13, 9529384), (17, 7287176), (26, 4764692), (34, 3643588), (41, 3021512), (52, 2382346), (68, 1821794), (82, 1510756), (104, 1191173), (136, 910897), (164, 755378), (221, 560552), (328, 377689), (442, 280276), (533, 232424), (697, 177736), (884, 140138), (1066, 116212), (1394, 88868), (1709, 72488), (1768, 70069), (2132, 58106), (2788, 44434), (3418, 36244), (4264, 29053), (5576, 22217), (6836, 18122), (9061, 13672)]