81025244

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:282

約数の個数: 48

約数和(自身を含む): 150796800

約数和(自身を除く): 69771556

約数列:

[1, 2, 4, 43, 67, 79, 86, 89, 134, 158, 172, 178, 268, 316, 356, 2881, 3397, 3827, 5293, 5762, 5963, 6794, 7031, 7654, 10586, 11524, 11926, 13588, 14062, 15308, 21172, 23852, 28124, 227599, 256409, 302333, 455198, 471077, 512818, 604666, 910396, 942154, 1025636, 1209332, 1884308, 20256311, 40512622, 81025244]

約数ペア:

[(1, 81025244), (2, 40512622), (4, 20256311), (43, 1884308), (67, 1209332), (79, 1025636), (86, 942154), (89, 910396), (134, 604666), (158, 512818), (172, 471077), (178, 455198), (268, 302333), (316, 256409), (356, 227599), (2881, 28124), (3397, 23852), (3827, 21172), (5293, 15308), (5762, 14062), (5963, 13588), (6794, 11926), (7031, 11524), (7654, 10586)]