138891376

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{293}}^1$

素因数の和:410

約数の個数: 80

約数和(自身を含む): 303168096

約数和(自身を除く): 164276720

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 53, 86, 104, 106, 172, 208, 212, 293, 344, 424, 559, 586, 688, 689, 848, 1118, 1172, 1378, 2236, 2279, 2344, 2756, 3809, 4472, 4558, 4688, 5512, 7618, 8944, 9116, 11024, 12599, 15236, 15529, 18232, 25198, 29627, 30472, 31058, 36464, 50396, 59254, 60944, 62116, 100792, 118508, 124232, 163787, 201584, 201877, 237016, 248464, 327574, 403754, 474032, 655148, 667747, 807508, 1310296, 1335494, 1615016, 2620592, 2670988, 3230032, 5341976, 8680711, 10683952, 17361422, 34722844, 69445688, 138891376]

約数ペア:

[(1, 138891376), (2, 69445688), (4, 34722844), (8, 17361422), (13, 10683952), (16, 8680711), (26, 5341976), (43, 3230032), (52, 2670988), (53, 2620592), (86, 1615016), (104, 1335494), (106, 1310296), (172, 807508), (208, 667747), (212, 655148), (293, 474032), (344, 403754), (424, 327574), (559, 248464), (586, 237016), (688, 201877), (689, 201584), (848, 163787), (1118, 124232), (1172, 118508), (1378, 100792), (2236, 62116), (2279, 60944), (2344, 59254), (2756, 50396), (3809, 36464), (4472, 31058), (4558, 30472), (4688, 29627), (5512, 25198), (7618, 18232), (8944, 15529), (9116, 15236), (11024, 12599)]