15661420229

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{409}}^1\times {\mathrm{1279}}^1$

素因数の和:1762

約数の個数: 48

約数和(自身を含む): 20101939200

約数和(自身を除く): 4440518971

約数列:

[1, 7, 13, 47, 49, 91, 329, 409, 611, 637, 1279, 2303, 2863, 4277, 5317, 8953, 16627, 19223, 20041, 29939, 37219, 60113, 62671, 116389, 134561, 249899, 260533, 420791, 523111, 781469, 814723, 941927, 1749293, 2945537, 3661777, 5470283, 6800443, 12245051, 24586217, 25632439, 38291981, 47603101, 172103519, 319620821, 333221707, 1204724633, 2237345747, 15661420229]

約数ペア:

[(1, 15661420229), (7, 2237345747), (13, 1204724633), (47, 333221707), (49, 319620821), (91, 172103519), (329, 47603101), (409, 38291981), (611, 25632439), (637, 24586217), (1279, 12245051), (2303, 6800443), (2863, 5470283), (4277, 3661777), (5317, 2945537), (8953, 1749293), (16627, 941927), (19223, 814723), (20041, 781469), (29939, 523111), (37219, 420791), (60113, 260533), (62671, 249899), (116389, 134561)]