308944895

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{1993}}^1$

素因数の和:2151

約数の個数: 32

約数和(自身を含む): 437978112

約数和(自身を除く): 129033217

約数列:

[1, 5, 7, 35, 43, 103, 215, 301, 515, 721, 1505, 1993, 3605, 4429, 9965, 13951, 22145, 31003, 69755, 85699, 155015, 205279, 428495, 599893, 1026395, 1436953, 2999465, 7184765, 8826997, 44134985, 61788979, 308944895]

約数ペア:

[(1, 308944895), (5, 61788979), (7, 44134985), (35, 8826997), (43, 7184765), (103, 2999465), (215, 1436953), (301, 1026395), (515, 599893), (721, 428495), (1505, 205279), (1993, 155015), (3605, 85699), (4429, 69755), (9965, 31003), (13951, 22145)]