28571816

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^2\times {\mathrm{3019}}^1$

素因数の和:3058

約数の個数: 48

約数和(自身を含む): 66319200

約数和(自身を除く): 37747384

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 169, 182, 338, 364, 676, 728, 1183, 1352, 2366, 3019, 4732, 6038, 9464, 12076, 21133, 24152, 39247, 42266, 78494, 84532, 156988, 169064, 274729, 313976, 510211, 549458, 1020422, 1098916, 2040844, 2197832, 3571477, 4081688, 7142954, 14285908, 28571816]

約数ペア:

[(1, 28571816), (2, 14285908), (4, 7142954), (7, 4081688), (8, 3571477), (13, 2197832), (14, 2040844), (26, 1098916), (28, 1020422), (52, 549458), (56, 510211), (91, 313976), (104, 274729), (169, 169064), (182, 156988), (338, 84532), (364, 78494), (676, 42266), (728, 39247), (1183, 24152), (1352, 21133), (2366, 12076), (3019, 9464), (4732, 6038)]