2153944

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:307

約数の個数: 32

約数和(自身を含む): 4410000

約数和(自身を除く): 2256056

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 139, 149, 278, 298, 556, 596, 1112, 1192, 1807, 1937, 3614, 3874, 7228, 7748, 14456, 15496, 20711, 41422, 82844, 165688, 269243, 538486, 1076972, 2153944]

約数ペア:

[(1, 2153944), (2, 1076972), (4, 538486), (8, 269243), (13, 165688), (26, 82844), (52, 41422), (104, 20711), (139, 15496), (149, 14456), (278, 7748), (298, 7228), (556, 3874), (596, 3614), (1112, 1937), (1192, 1807)]