71272930

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{1997}}^1$

素因数の和:2130

約数の個数: 32

約数和(自身を含む): 132922944

約数和(自身を除く): 61650014

約数列:

[1, 2, 5, 10, 43, 83, 86, 166, 215, 415, 430, 830, 1997, 3569, 3994, 7138, 9985, 17845, 19970, 35690, 85871, 165751, 171742, 331502, 429355, 828755, 858710, 1657510, 7127293, 14254586, 35636465, 71272930]

約数ペア:

[(1, 71272930), (2, 35636465), (5, 14254586), (10, 7127293), (43, 1657510), (83, 858710), (86, 828755), (166, 429355), (215, 331502), (415, 171742), (430, 165751), (830, 85871), (1997, 35690), (3569, 19970), (3994, 17845), (7138, 9985)]