721606236

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{87277}}^1$

素因数の和:87350

約数の個数: 48

約数和(自身を含む): 1847500704

約数和(自身を除く): 1125894468

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 53, 78, 106, 156, 159, 212, 318, 636, 689, 1378, 2067, 2756, 4134, 8268, 87277, 174554, 261831, 349108, 523662, 1047324, 1134601, 2269202, 3403803, 4538404, 4625681, 6807606, 9251362, 13615212, 13877043, 18502724, 27754086, 55508172, 60133853, 120267706, 180401559, 240535412, 360803118, 721606236]

約数ペア:

[(1, 721606236), (2, 360803118), (3, 240535412), (4, 180401559), (6, 120267706), (12, 60133853), (13, 55508172), (26, 27754086), (39, 18502724), (52, 13877043), (53, 13615212), (78, 9251362), (106, 6807606), (156, 4625681), (159, 4538404), (212, 3403803), (318, 2269202), (636, 1134601), (689, 1047324), (1378, 523662), (2067, 349108), (2756, 261831), (4134, 174554), (8268, 87277)]