31904890

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{1019}}^1$

素因数の和:1158

約数の個数: 32

約数和(自身を含む): 59927040

約数和(自身を除く): 28022150

約数列:

[1, 2, 5, 10, 31, 62, 101, 155, 202, 310, 505, 1010, 1019, 2038, 3131, 5095, 6262, 10190, 15655, 31310, 31589, 63178, 102919, 157945, 205838, 315890, 514595, 1029190, 3190489, 6380978, 15952445, 31904890]

約数ペア:

[(1, 31904890), (2, 15952445), (5, 6380978), (10, 3190489), (31, 1029190), (62, 514595), (101, 315890), (155, 205838), (202, 157945), (310, 102919), (505, 63178), (1010, 31589), (1019, 31310), (2038, 15655), (3131, 10190), (5095, 6262)]