81236190

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{386839}}^1$

素因数の和:386856

約数の個数: 32

約数和(自身を含む): 222819840

約数和(自身を除く): 141583650

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 386839, 773678, 1160517, 1934195, 2321034, 2707873, 3868390, 5415746, 5802585, 8123619, 11605170, 13539365, 16247238, 27078730, 40618095, 81236190]

約数ペア:

[(1, 81236190), (2, 40618095), (3, 27078730), (5, 16247238), (6, 13539365), (7, 11605170), (10, 8123619), (14, 5802585), (15, 5415746), (21, 3868390), (30, 2707873), (35, 2321034), (42, 1934195), (70, 1160517), (105, 773678), (210, 386839)]