217195964

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1\times {\mathrm{173}}^1$

素因数の和:422

約数の個数: 48

約数和(自身を含む): 403401600

約数和(自身を除く): 186205636

約数列:

[1, 2, 4, 29, 58, 79, 116, 137, 158, 173, 274, 316, 346, 548, 692, 2291, 3973, 4582, 5017, 7946, 9164, 10034, 10823, 13667, 15892, 20068, 21646, 23701, 27334, 43292, 47402, 54668, 94804, 313867, 396343, 627734, 687329, 792686, 1255468, 1374658, 1585372, 1872379, 2749316, 3744758, 7489516, 54298991, 108597982, 217195964]

約数ペア:

[(1, 217195964), (2, 108597982), (4, 54298991), (29, 7489516), (58, 3744758), (79, 2749316), (116, 1872379), (137, 1585372), (158, 1374658), (173, 1255468), (274, 792686), (316, 687329), (346, 627734), (548, 396343), (692, 313867), (2291, 94804), (3973, 54668), (4582, 47402), (5017, 43292), (7946, 27334), (9164, 23701), (10034, 21646), (10823, 20068), (13667, 15892)]