72440732

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2803}}^1$

素因数の和:2898

約数の個数: 48

約数和(自身を含む): 158280192

約数和(自身を除く): 85839460

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 71, 91, 142, 182, 284, 364, 497, 923, 994, 1846, 1988, 2803, 3692, 5606, 6461, 11212, 12922, 19621, 25844, 36439, 39242, 72878, 78484, 145756, 199013, 255073, 398026, 510146, 796052, 1020292, 1393091, 2587169, 2786182, 5174338, 5572364, 10348676, 18110183, 36220366, 72440732]

約数ペア:

[(1, 72440732), (2, 36220366), (4, 18110183), (7, 10348676), (13, 5572364), (14, 5174338), (26, 2786182), (28, 2587169), (52, 1393091), (71, 1020292), (91, 796052), (142, 510146), (182, 398026), (284, 255073), (364, 199013), (497, 145756), (923, 78484), (994, 72878), (1846, 39242), (1988, 36439), (2803, 25844), (3692, 19621), (5606, 12922), (6461, 11212)]