221330648

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{51329}}^1$

素因数の和:51360

約数の個数: 48

約数和(自身を含む): 526645800

約数和(自身を除く): 305315152

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 49, 56, 77, 88, 98, 154, 196, 308, 392, 539, 616, 1078, 2156, 4312, 51329, 102658, 205316, 359303, 410632, 564619, 718606, 1129238, 1437212, 2258476, 2515121, 2874424, 3952333, 4516952, 5030242, 7904666, 10060484, 15809332, 20120968, 27666331, 31618664, 55332662, 110665324, 221330648]

約数ペア:

[(1, 221330648), (2, 110665324), (4, 55332662), (7, 31618664), (8, 27666331), (11, 20120968), (14, 15809332), (22, 10060484), (28, 7904666), (44, 5030242), (49, 4516952), (56, 3952333), (77, 2874424), (88, 2515121), (98, 2258476), (154, 1437212), (196, 1129238), (308, 718606), (392, 564619), (539, 410632), (616, 359303), (1078, 205316), (2156, 102658), (4312, 51329)]