81515696

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{991}}^1$

素因数の和:1149

約数の個数: 40

約数和(自身を含む): 162739584

約数和(自身を除く): 81223888

約数列:

[1, 2, 4, 8, 16, 53, 97, 106, 194, 212, 388, 424, 776, 848, 991, 1552, 1982, 3964, 5141, 7928, 10282, 15856, 20564, 41128, 52523, 82256, 96127, 105046, 192254, 210092, 384508, 420184, 769016, 840368, 1538032, 5094731, 10189462, 20378924, 40757848, 81515696]

約数ペア:

[(1, 81515696), (2, 40757848), (4, 20378924), (8, 10189462), (16, 5094731), (53, 1538032), (97, 840368), (106, 769016), (194, 420184), (212, 384508), (388, 210092), (424, 192254), (776, 105046), (848, 96127), (991, 82256), (1552, 52523), (1982, 41128), (3964, 20564), (5141, 15856), (7928, 10282)]