81153856

素因数分解:

$2^6\times 7^1\times {\mathrm{79}}^1\times {\mathrm{2293}}^1$

素因数の和:2391

約数の個数: 56

約数和(自身を含む): 186456320

約数和(自身を除く): 105302464

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 79, 112, 158, 224, 316, 448, 553, 632, 1106, 1264, 2212, 2293, 2528, 4424, 4586, 5056, 8848, 9172, 16051, 17696, 18344, 32102, 35392, 36688, 64204, 73376, 128408, 146752, 181147, 256816, 362294, 513632, 724588, 1027264, 1268029, 1449176, 2536058, 2898352, 5072116, 5796704, 10144232, 11593408, 20288464, 40576928, 81153856]

約数ペア:

[(1, 81153856), (2, 40576928), (4, 20288464), (7, 11593408), (8, 10144232), (14, 5796704), (16, 5072116), (28, 2898352), (32, 2536058), (56, 1449176), (64, 1268029), (79, 1027264), (112, 724588), (158, 513632), (224, 362294), (316, 256816), (448, 181147), (553, 146752), (632, 128408), (1106, 73376), (1264, 64204), (2212, 36688), (2293, 35392), (2528, 32102), (4424, 18344), (4586, 17696), (5056, 16051), (8848, 9172)]