642226904

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{384107}}^1$

素因数の和:384143

約数の個数: 32

約数和(自身を含む): 1382788800

約数和(自身を除く): 740561896

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 418, 836, 1672, 384107, 768214, 1536428, 3072856, 4225177, 7298033, 8450354, 14596066, 16900708, 29192132, 33801416, 58384264, 80278363, 160556726, 321113452, 642226904]

約数ペア:

[(1, 642226904), (2, 321113452), (4, 160556726), (8, 80278363), (11, 58384264), (19, 33801416), (22, 29192132), (38, 16900708), (44, 14596066), (76, 8450354), (88, 7298033), (152, 4225177), (209, 3072856), (418, 1536428), (836, 768214), (1672, 384107)]