163531970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{15679}}^1$

素因数の和:15842

約数の個数: 32

約数和(自身を含む): 338688000

約数和(自身を除く): 175156030

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 149, 298, 745, 1043, 1490, 2086, 5215, 10430, 15679, 31358, 78395, 109753, 156790, 219506, 548765, 1097530, 2336171, 4672342, 11680855, 16353197, 23361710, 32706394, 81765985, 163531970]

約数ペア:

[(1, 163531970), (2, 81765985), (5, 32706394), (7, 23361710), (10, 16353197), (14, 11680855), (35, 4672342), (70, 2336171), (149, 1097530), (298, 548765), (745, 219506), (1043, 156790), (1490, 109753), (2086, 78395), (5215, 31358), (10430, 15679)]