71199830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{271}}^1$

素因数の和:381

約数の個数: 64

約数和(自身を含む): 144764928

約数和(自身を除く): 73565098

約数列:

[1, 2, 5, 10, 13, 26, 43, 47, 65, 86, 94, 130, 215, 235, 271, 430, 470, 542, 559, 611, 1118, 1222, 1355, 2021, 2710, 2795, 3055, 3523, 4042, 5590, 6110, 7046, 10105, 11653, 12737, 17615, 20210, 23306, 25474, 26273, 35230, 52546, 58265, 63685, 116530, 127370, 131365, 151489, 165581, 262730, 302978, 331162, 547691, 757445, 827905, 1095382, 1514890, 1655810, 2738455, 5476910, 7119983, 14239966, 35599915, 71199830]

約数ペア:

[(1, 71199830), (2, 35599915), (5, 14239966), (10, 7119983), (13, 5476910), (26, 2738455), (43, 1655810), (47, 1514890), (65, 1095382), (86, 827905), (94, 757445), (130, 547691), (215, 331162), (235, 302978), (271, 262730), (430, 165581), (470, 151489), (542, 131365), (559, 127370), (611, 116530), (1118, 63685), (1222, 58265), (1355, 52546), (2021, 35230), (2710, 26273), (2795, 25474), (3055, 23306), (3523, 20210), (4042, 17615), (5590, 12737), (6110, 11653), (7046, 10105)]