348889190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{86573}}^1$

素因数の和:86624

約数の個数: 32

約数和(自身を含む): 698132736

約数和(自身を除く): 349243546

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 86573, 173146, 432865, 865730, 1125449, 2250898, 2683763, 5367526, 5627245, 11254490, 13418815, 26837630, 34888919, 69777838, 174444595, 348889190]

約数ペア:

[(1, 348889190), (2, 174444595), (5, 69777838), (10, 34888919), (13, 26837630), (26, 13418815), (31, 11254490), (62, 5627245), (65, 5367526), (130, 2683763), (155, 2250898), (310, 1125449), (403, 865730), (806, 432865), (2015, 173146), (4030, 86573)]