68718988

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{421}}^1$

素因数の和:554

約数の個数: 48

約数和(自身を含む): 134655136

約数和(自身を除く): 65936148

約数列:

[1, 2, 4, 13, 26, 43, 52, 73, 86, 146, 172, 292, 421, 559, 842, 949, 1118, 1684, 1898, 2236, 3139, 3796, 5473, 6278, 10946, 12556, 18103, 21892, 30733, 36206, 40807, 61466, 72412, 81614, 122932, 163228, 235339, 399529, 470678, 799058, 941356, 1321519, 1598116, 2643038, 5286076, 17179747, 34359494, 68718988]

約数ペア:

[(1, 68718988), (2, 34359494), (4, 17179747), (13, 5286076), (26, 2643038), (43, 1598116), (52, 1321519), (73, 941356), (86, 799058), (146, 470678), (172, 399529), (292, 235339), (421, 163228), (559, 122932), (842, 81614), (949, 72412), (1118, 61466), (1684, 40807), (1898, 36206), (2236, 30733), (3139, 21892), (3796, 18103), (5473, 12556), (6278, 10946)]