221489170

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{51871}}^1$

素因数の和:51946

約数の個数: 32

約数和(自身を含む): 463113216

約数和(自身を除く): 241624046

約数列:

[1, 2, 5, 7, 10, 14, 35, 61, 70, 122, 305, 427, 610, 854, 2135, 4270, 51871, 103742, 259355, 363097, 518710, 726194, 1815485, 3164131, 3630970, 6328262, 15820655, 22148917, 31641310, 44297834, 110744585, 221489170]

約数ペア:

[(1, 221489170), (2, 110744585), (5, 44297834), (7, 31641310), (10, 22148917), (14, 15820655), (35, 6328262), (61, 3630970), (70, 3164131), (122, 1815485), (305, 726194), (427, 518710), (610, 363097), (854, 259355), (2135, 103742), (4270, 51871)]