638403954

素因数分解:

$2^1\times 3^1\times {\mathrm{59}}^1\times {\mathrm{223}}^1\times {\mathrm{8087}}^1$

素因数の和:8374

約数の個数: 32

約数和(自身を含む): 1304432640

約数和(自身を除く): 666028686

約数列:

[1, 2, 3, 6, 59, 118, 177, 223, 354, 446, 669, 1338, 8087, 13157, 16174, 24261, 26314, 39471, 48522, 78942, 477133, 954266, 1431399, 1803401, 2862798, 3606802, 5410203, 10820406, 106400659, 212801318, 319201977, 638403954]

約数ペア:

[(1, 638403954), (2, 319201977), (3, 212801318), (6, 106400659), (59, 10820406), (118, 5410203), (177, 3606802), (223, 2862798), (354, 1803401), (446, 1431399), (669, 954266), (1338, 477133), (8087, 78942), (13157, 48522), (16174, 39471), (24261, 26314)]