207976190

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{6421}}^1$

素因数の和:6548

約数の個数: 32

約数和(自身を含む): 388402560

約数和(自身を除く): 180426370

約数列:

[1, 2, 5, 10, 41, 79, 82, 158, 205, 395, 410, 790, 3239, 6421, 6478, 12842, 16195, 32105, 32390, 64210, 263261, 507259, 526522, 1014518, 1316305, 2536295, 2632610, 5072590, 20797619, 41595238, 103988095, 207976190]

約数ペア:

[(1, 207976190), (2, 103988095), (5, 41595238), (10, 20797619), (41, 5072590), (79, 2632610), (82, 2536295), (158, 1316305), (205, 1014518), (395, 526522), (410, 507259), (790, 263261), (3239, 64210), (6421, 32390), (6478, 32105), (12842, 16195)]