1289331386

素因数分解:

$2^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{672227}}^1$

素因数の和:672373

約数の個数: 16

約数和(自身を含む): 2226419136

約数和(自身を除く): 937087750

約数列:

[1, 2, 7, 14, 137, 274, 959, 1918, 672227, 1344454, 4705589, 9411178, 92095099, 184190198, 644665693, 1289331386]

約数ペア:

[(1, 1289331386), (2, 644665693), (7, 184190198), (14, 92095099), (137, 9411178), (274, 4705589), (959, 1344454), (1918, 672227)]