31691548

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1259}}^1$

素因数の和:1330

約数の個数: 48

約数和(自身を含む): 67737600

約数和(自身を除く): 36046052

約数列:

[1, 2, 4, 7, 14, 28, 29, 31, 58, 62, 116, 124, 203, 217, 406, 434, 812, 868, 899, 1259, 1798, 2518, 3596, 5036, 6293, 8813, 12586, 17626, 25172, 35252, 36511, 39029, 73022, 78058, 146044, 156116, 255577, 273203, 511154, 546406, 1022308, 1092812, 1131841, 2263682, 4527364, 7922887, 15845774, 31691548]

約数ペア:

[(1, 31691548), (2, 15845774), (4, 7922887), (7, 4527364), (14, 2263682), (28, 1131841), (29, 1092812), (31, 1022308), (58, 546406), (62, 511154), (116, 273203), (124, 255577), (203, 156116), (217, 146044), (406, 78058), (434, 73022), (812, 39029), (868, 36511), (899, 35252), (1259, 25172), (1798, 17626), (2518, 12586), (3596, 8813), (5036, 6293)]