51987664

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{641}}^1$

素因数の和:823

約数の個数: 40

約数和(自身を含む): 104366088

約数和(自身を除く): 52378424

約数列:

[1, 2, 4, 8, 16, 37, 74, 137, 148, 274, 296, 548, 592, 641, 1096, 1282, 2192, 2564, 5069, 5128, 10138, 10256, 20276, 23717, 40552, 47434, 81104, 87817, 94868, 175634, 189736, 351268, 379472, 702536, 1405072, 3249229, 6498458, 12996916, 25993832, 51987664]

約数ペア:

[(1, 51987664), (2, 25993832), (4, 12996916), (8, 6498458), (16, 3249229), (37, 1405072), (74, 702536), (137, 379472), (148, 351268), (274, 189736), (296, 175634), (548, 94868), (592, 87817), (641, 81104), (1096, 47434), (1282, 40552), (2192, 23717), (2564, 20276), (5069, 10256), (5128, 10138)]