172943785

素因数分解:

$5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{653}}^1$

素因数の和:742

約数の個数: 48

約数和(自身を含む): 257665536

約数和(自身を除く): 84721751

約数列:

[1, 5, 7, 23, 35, 47, 49, 115, 161, 235, 245, 329, 653, 805, 1081, 1127, 1645, 2303, 3265, 4571, 5405, 5635, 7567, 11515, 15019, 22855, 30691, 31997, 37835, 52969, 75095, 105133, 153455, 159985, 214837, 264845, 525665, 705893, 735931, 1074185, 1503859, 3529465, 3679655, 4941251, 7519295, 24706255, 34588757, 172943785]

約数ペア:

[(1, 172943785), (5, 34588757), (7, 24706255), (23, 7519295), (35, 4941251), (47, 3679655), (49, 3529465), (115, 1503859), (161, 1074185), (235, 735931), (245, 705893), (329, 525665), (653, 264845), (805, 214837), (1081, 159985), (1127, 153455), (1645, 105133), (2303, 75095), (3265, 52969), (4571, 37835), (5405, 31997), (5635, 30691), (7567, 22855), (11515, 15019)]