648432836

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{21821}}^1$

素因数の和:21884

約数の個数: 48

約数和(自身を含む): 1319794560

約数和(自身を除く): 671361724

約数列:

[1, 2, 4, 17, 19, 23, 34, 38, 46, 68, 76, 92, 323, 391, 437, 646, 782, 874, 1292, 1564, 1748, 7429, 14858, 21821, 29716, 43642, 87284, 370957, 414599, 501883, 741914, 829198, 1003766, 1483828, 1658396, 2007532, 7048183, 8532011, 9535777, 14096366, 17064022, 19071554, 28192732, 34128044, 38143108, 162108209, 324216418, 648432836]

約数ペア:

[(1, 648432836), (2, 324216418), (4, 162108209), (17, 38143108), (19, 34128044), (23, 28192732), (34, 19071554), (38, 17064022), (46, 14096366), (68, 9535777), (76, 8532011), (92, 7048183), (323, 2007532), (391, 1658396), (437, 1483828), (646, 1003766), (782, 829198), (874, 741914), (1292, 501883), (1564, 414599), (1748, 370957), (7429, 87284), (14858, 43642), (21821, 29716)]