388955164

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{163}}^1\times {\mathrm{421}}^1$

素因数の和:710

約数の個数: 48

約数和(自身を含む): 746062240

約数和(自身を除く): 357107076

約数列:

[1, 2, 4, 13, 26, 52, 109, 163, 218, 326, 421, 436, 652, 842, 1417, 1684, 2119, 2834, 4238, 5473, 5668, 8476, 10946, 17767, 21892, 35534, 45889, 68623, 71068, 91778, 137246, 183556, 230971, 274492, 461942, 596557, 892099, 923884, 1193114, 1784198, 2386228, 3568396, 7479907, 14959814, 29919628, 97238791, 194477582, 388955164]

約数ペア:

[(1, 388955164), (2, 194477582), (4, 97238791), (13, 29919628), (26, 14959814), (52, 7479907), (109, 3568396), (163, 2386228), (218, 1784198), (326, 1193114), (421, 923884), (436, 892099), (652, 596557), (842, 461942), (1417, 274492), (1684, 230971), (2119, 183556), (2834, 137246), (4238, 91778), (5473, 71068), (5668, 68623), (8476, 45889), (10946, 35534), (17767, 21892)]