488923630

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{121321}}^1$

素因数の和:121372

約数の個数: 32

約数和(自身を含む): 978340608

約数和(自身を除く): 489416978

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 121321, 242642, 606605, 1213210, 1577173, 3154346, 3760951, 7521902, 7885865, 15771730, 18804755, 37609510, 48892363, 97784726, 244461815, 488923630]

約数ペア:

[(1, 488923630), (2, 244461815), (5, 97784726), (10, 48892363), (13, 37609510), (26, 18804755), (31, 15771730), (62, 7885865), (65, 7521902), (130, 3760951), (155, 3154346), (310, 1577173), (403, 1213210), (806, 606605), (2015, 242642), (4030, 121321)]