278197228

素因数分解:

$2^2\times {\mathrm{37}}^2\times {\mathrm{101}}^1\times {\mathrm{503}}^1$

素因数の和:682

約数の個数: 36

約数和(自身を含む): 506317392

約数和(自身を除く): 228120164

約数列:

[1, 2, 4, 37, 74, 101, 148, 202, 404, 503, 1006, 1369, 2012, 2738, 3737, 5476, 7474, 14948, 18611, 37222, 50803, 74444, 101606, 138269, 203212, 276538, 553076, 688607, 1377214, 1879711, 2754428, 3759422, 7518844, 69549307, 139098614, 278197228]

約数ペア:

[(1, 278197228), (2, 139098614), (4, 69549307), (37, 7518844), (74, 3759422), (101, 2754428), (148, 1879711), (202, 1377214), (404, 688607), (503, 553076), (1006, 276538), (1369, 203212), (2012, 138269), (2738, 101606), (3737, 74444), (5476, 50803), (7474, 37222), (14948, 18611)]