258870584

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{149119}}^1$

素因数の和:149163

約数の個数: 32

約数和(自身を含む): 572620800

約数和(自身を除く): 313750216

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 149119, 298238, 596476, 1043833, 1192952, 2087666, 4175332, 4622689, 8350664, 9245378, 18490756, 32358823, 36981512, 64717646, 129435292, 258870584]

約数ペア:

[(1, 258870584), (2, 129435292), (4, 64717646), (7, 36981512), (8, 32358823), (14, 18490756), (28, 9245378), (31, 8350664), (56, 4622689), (62, 4175332), (124, 2087666), (217, 1192952), (248, 1043833), (434, 596476), (868, 298238), (1736, 149119)]