198389750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{61043}}^1$

素因数の和:61073

約数の個数: 32

約数和(自身を含む): 399960288

約数和(自身を除く): 201570538

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 3250, 61043, 122086, 305215, 610430, 793559, 1526075, 1587118, 3052150, 3967795, 7630375, 7935590, 15260750, 19838975, 39677950, 99194875, 198389750]

約数ペア:

[(1, 198389750), (2, 99194875), (5, 39677950), (10, 19838975), (13, 15260750), (25, 7935590), (26, 7630375), (50, 3967795), (65, 3052150), (125, 1587118), (130, 1526075), (250, 793559), (325, 610430), (650, 305215), (1625, 122086), (3250, 61043)]