217728532

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{2131}}^1$

素因数の和:2272

約数の個数: 48

約数和(自身を含む): 451301760

約数和(自身を除く): 233573228

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 89, 164, 178, 287, 356, 574, 623, 1148, 1246, 2131, 2492, 3649, 4262, 7298, 8524, 14596, 14917, 25543, 29834, 51086, 59668, 87371, 102172, 174742, 189659, 349484, 379318, 611597, 758636, 1223194, 1327613, 2446388, 2655226, 5310452, 7776019, 15552038, 31104076, 54432133, 108864266, 217728532]

約数ペア:

[(1, 217728532), (2, 108864266), (4, 54432133), (7, 31104076), (14, 15552038), (28, 7776019), (41, 5310452), (82, 2655226), (89, 2446388), (164, 1327613), (178, 1223194), (287, 758636), (356, 611597), (574, 379318), (623, 349484), (1148, 189659), (1246, 174742), (2131, 102172), (2492, 87371), (3649, 59668), (4262, 51086), (7298, 29834), (8524, 25543), (14596, 14917)]