1816885

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:133

約数の個数: 32

約数和(自身を含む): 2714112

約数和(自身を除く): 897227

約数列:

[1, 5, 7, 23, 35, 37, 61, 115, 161, 185, 259, 305, 427, 805, 851, 1295, 1403, 2135, 2257, 4255, 5957, 7015, 9821, 11285, 15799, 29785, 49105, 51911, 78995, 259555, 363377, 1816885]

約数ペア:

[(1, 1816885), (5, 363377), (7, 259555), (23, 78995), (35, 51911), (37, 49105), (61, 29785), (115, 15799), (161, 11285), (185, 9821), (259, 7015), (305, 5957), (427, 4255), (805, 2257), (851, 2135), (1295, 1403)]