197980510

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{217561}}^1$

素因数の和:217588

約数の個数: 32

約数和(自身を含む): 438604992

約数和(自身を除く): 240624482

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 217561, 435122, 1087805, 1522927, 2175610, 2828293, 3045854, 5656586, 7614635, 14141465, 15229270, 19798051, 28282930, 39596102, 98990255, 197980510]

約数ペア:

[(1, 197980510), (2, 98990255), (5, 39596102), (7, 28282930), (10, 19798051), (13, 15229270), (14, 14141465), (26, 7614635), (35, 5656586), (65, 3045854), (70, 2828293), (91, 2175610), (130, 1522927), (182, 1087805), (455, 435122), (910, 217561)]