258198738

素因数分解:

$2^1\times 3^1\times 7^4\times {\mathrm{17923}}^1$

素因数の和:17956

約数の個数: 40

約数和(自身を含む): 602461488

約数和(自身を除く): 344262750

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 343, 686, 1029, 2058, 2401, 4802, 7203, 14406, 17923, 35846, 53769, 107538, 125461, 250922, 376383, 752766, 878227, 1756454, 2634681, 5269362, 6147589, 12295178, 18442767, 36885534, 43033123, 86066246, 129099369, 258198738]

約数ペア:

[(1, 258198738), (2, 129099369), (3, 86066246), (6, 43033123), (7, 36885534), (14, 18442767), (21, 12295178), (42, 6147589), (49, 5269362), (98, 2634681), (147, 1756454), (294, 878227), (343, 752766), (686, 376383), (1029, 250922), (2058, 125461), (2401, 107538), (4802, 53769), (7203, 35846), (14406, 17923)]