71905890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{7963}}^1$

素因数の和:8023

約数の個数: 64

約数和(自身を含む): 201839616

約数和(自身を除く): 129933726

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 43, 70, 86, 105, 129, 210, 215, 258, 301, 430, 602, 645, 903, 1290, 1505, 1806, 3010, 4515, 7963, 9030, 15926, 23889, 39815, 47778, 55741, 79630, 111482, 119445, 167223, 238890, 278705, 334446, 342409, 557410, 684818, 836115, 1027227, 1672230, 1712045, 2054454, 2396863, 3424090, 4793726, 5136135, 7190589, 10272270, 11984315, 14381178, 23968630, 35952945, 71905890]

約数ペア:

[(1, 71905890), (2, 35952945), (3, 23968630), (5, 14381178), (6, 11984315), (7, 10272270), (10, 7190589), (14, 5136135), (15, 4793726), (21, 3424090), (30, 2396863), (35, 2054454), (42, 1712045), (43, 1672230), (70, 1027227), (86, 836115), (105, 684818), (129, 557410), (210, 342409), (215, 334446), (258, 278705), (301, 238890), (430, 167223), (602, 119445), (645, 111482), (903, 79630), (1290, 55741), (1505, 47778), (1806, 39815), (3010, 23889), (4515, 15926), (7963, 9030)]