2217908

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{379}}^1$

素因数の和:420

約数の個数: 48

約数和(自身を含む): 5107200

約数和(自身を除く): 2889292

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 76, 77, 133, 154, 209, 266, 308, 379, 418, 532, 758, 836, 1463, 1516, 2653, 2926, 4169, 5306, 5852, 7201, 8338, 10612, 14402, 16676, 28804, 29183, 50407, 58366, 79211, 100814, 116732, 158422, 201628, 316844, 554477, 1108954, 2217908]

約数ペア:

[(1, 2217908), (2, 1108954), (4, 554477), (7, 316844), (11, 201628), (14, 158422), (19, 116732), (22, 100814), (28, 79211), (38, 58366), (44, 50407), (76, 29183), (77, 28804), (133, 16676), (154, 14402), (209, 10612), (266, 8338), (308, 7201), (379, 5852), (418, 5306), (532, 4169), (758, 2926), (836, 2653), (1463, 1516)]