42181390

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{136069}}^1$

素因数の和:136107

約数の個数: 16

約数和(自身を含む): 78376320

約数和(自身を除く): 36194930

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 136069, 272138, 680345, 1360690, 4218139, 8436278, 21090695, 42181390]

約数ペア:

[(1, 42181390), (2, 21090695), (5, 8436278), (10, 4218139), (31, 1360690), (62, 680345), (155, 272138), (310, 136069)]