28940990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{11717}}^1$

素因数の和:11756

約数の個数: 32

約数和(自身を含む): 59058720

約数和(自身を除く): 30117730

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 11717, 23434, 58585, 117170, 152321, 222623, 304642, 445246, 761605, 1113115, 1523210, 2226230, 2894099, 5788198, 14470495, 28940990]

約数ペア:

[(1, 28940990), (2, 14470495), (5, 5788198), (10, 2894099), (13, 2226230), (19, 1523210), (26, 1113115), (38, 761605), (65, 445246), (95, 304642), (130, 222623), (190, 152321), (247, 117170), (494, 58585), (1235, 23434), (2470, 11717)]