72809204

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^3\times {\mathrm{47}}^1$

素因数の和:157

約数の個数: 48

約数和(自身を含む): 144807936

約数和(自身を除く): 71998732

約数列:

[1, 2, 4, 13, 26, 31, 47, 52, 62, 94, 124, 188, 403, 611, 806, 961, 1222, 1457, 1612, 1922, 2444, 2914, 3844, 5828, 12493, 18941, 24986, 29791, 37882, 45167, 49972, 59582, 75764, 90334, 119164, 180668, 387283, 587171, 774566, 1174342, 1400177, 1549132, 2348684, 2800354, 5600708, 18202301, 36404602, 72809204]

約数ペア:

[(1, 72809204), (2, 36404602), (4, 18202301), (13, 5600708), (26, 2800354), (31, 2348684), (47, 1549132), (52, 1400177), (62, 1174342), (94, 774566), (124, 587171), (188, 387283), (403, 180668), (611, 119164), (806, 90334), (961, 75764), (1222, 59582), (1457, 49972), (1612, 45167), (1922, 37882), (2444, 29791), (2914, 24986), (3844, 18941), (5828, 12493)]