72895172

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1877}}^1$

素因数の和:1980

約数の個数: 48

約数和(自身を含む): 155648640

約数和(自身を除く): 82753468

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 73, 76, 133, 146, 266, 292, 511, 532, 1022, 1387, 1877, 2044, 2774, 3754, 5548, 7508, 9709, 13139, 19418, 26278, 35663, 38836, 52556, 71326, 137021, 142652, 249641, 274042, 499282, 548084, 959147, 998564, 1918294, 2603399, 3836588, 5206798, 10413596, 18223793, 36447586, 72895172]

約数ペア:

[(1, 72895172), (2, 36447586), (4, 18223793), (7, 10413596), (14, 5206798), (19, 3836588), (28, 2603399), (38, 1918294), (73, 998564), (76, 959147), (133, 548084), (146, 499282), (266, 274042), (292, 249641), (511, 142652), (532, 137021), (1022, 71326), (1387, 52556), (1877, 38836), (2044, 35663), (2774, 26278), (3754, 19418), (5548, 13139), (7508, 9709)]