1388351380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{35363}}^1$

素因数の和:35536

約数の個数: 48

約数和(自身を含む): 3160692864

約数和(自身を除く): 1772341484

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 151, 260, 302, 604, 755, 1510, 1963, 3020, 3926, 7852, 9815, 19630, 35363, 39260, 70726, 141452, 176815, 353630, 459719, 707260, 919438, 1838876, 2298595, 4597190, 5339813, 9194380, 10679626, 21359252, 26699065, 53398130, 69417569, 106796260, 138835138, 277670276, 347087845, 694175690, 1388351380]

約数ペア:

[(1, 1388351380), (2, 694175690), (4, 347087845), (5, 277670276), (10, 138835138), (13, 106796260), (20, 69417569), (26, 53398130), (52, 26699065), (65, 21359252), (130, 10679626), (151, 9194380), (260, 5339813), (302, 4597190), (604, 2298595), (755, 1838876), (1510, 919438), (1963, 707260), (3020, 459719), (3926, 353630), (7852, 176815), (9815, 141452), (19630, 70726), (35363, 39260)]