638392356

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{2533303}}^1$

素因数の和:2533320

約数の個数: 36

約数和(自身を含む): 1844245312

約数和(自身を除く): 1205852956

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 2533303, 5066606, 7599909, 10133212, 15199818, 17733121, 22799727, 30399636, 35466242, 45599454, 53199363, 70932484, 91198908, 106398726, 159598089, 212797452, 319196178, 638392356]

約数ペア:

[(1, 638392356), (2, 319196178), (3, 212797452), (4, 159598089), (6, 106398726), (7, 91198908), (9, 70932484), (12, 53199363), (14, 45599454), (18, 35466242), (21, 30399636), (28, 22799727), (36, 17733121), (42, 15199818), (63, 10133212), (84, 7599909), (126, 5066606), (252, 2533303)]