73442890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^2\times {\mathrm{257}}^1$

素因数の和:363

約数の個数: 48

約数和(自身を含む): 144029016

約数和(自身を除く): 70586126

約数列:

[1, 2, 5, 10, 17, 34, 41, 82, 85, 170, 205, 257, 410, 514, 697, 1285, 1394, 1681, 2570, 3362, 3485, 4369, 6970, 8405, 8738, 10537, 16810, 21074, 21845, 28577, 43690, 52685, 57154, 105370, 142885, 179129, 285770, 358258, 432017, 864034, 895645, 1791290, 2160085, 4320170, 7344289, 14688578, 36721445, 73442890]

約数ペア:

[(1, 73442890), (2, 36721445), (5, 14688578), (10, 7344289), (17, 4320170), (34, 2160085), (41, 1791290), (82, 895645), (85, 864034), (170, 432017), (205, 358258), (257, 285770), (410, 179129), (514, 142885), (697, 105370), (1285, 57154), (1394, 52685), (1681, 43690), (2570, 28577), (3362, 21845), (3485, 21074), (4369, 16810), (6970, 10537), (8405, 8738)]