208282490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{51683}}^1$

素因数の和:51734

約数の個数: 32

約数和(自身を含む): 416779776

約数和(自身を除く): 208497286

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 51683, 103366, 258415, 516830, 671879, 1343758, 1602173, 3204346, 3359395, 6718790, 8010865, 16021730, 20828249, 41656498, 104141245, 208282490]

約数ペア:

[(1, 208282490), (2, 104141245), (5, 41656498), (10, 20828249), (13, 16021730), (26, 8010865), (31, 6718790), (62, 3359395), (65, 3204346), (130, 1602173), (155, 1343758), (310, 671879), (403, 516830), (806, 258415), (2015, 103366), (4030, 51683)]