15355990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{6217}}^1$

素因数の和:6256

約数の個数: 32

約数和(自身を含む): 31338720

約数和(自身を除く): 15982730

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 6217, 12434, 31085, 62170, 80821, 118123, 161642, 236246, 404105, 590615, 808210, 1181230, 1535599, 3071198, 7677995, 15355990]

約数ペア:

[(1, 15355990), (2, 7677995), (5, 3071198), (10, 1535599), (13, 1181230), (19, 808210), (26, 590615), (38, 404105), (65, 236246), (95, 161642), (130, 118123), (190, 80821), (247, 62170), (494, 31085), (1235, 12434), (2470, 6217)]