28038738

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{577}}^1$

素因数の和:691

約数の個数: 64

約数和(自身を含む): 69914880

約数和(自身を除く): 41876142

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 89, 91, 178, 182, 267, 273, 534, 546, 577, 623, 1154, 1157, 1246, 1731, 1869, 2314, 3462, 3471, 3738, 4039, 6942, 7501, 8078, 8099, 12117, 15002, 16198, 22503, 24234, 24297, 45006, 48594, 51353, 52507, 102706, 105014, 154059, 157521, 308118, 315042, 359471, 667589, 718942, 1078413, 1335178, 2002767, 2156826, 4005534, 4673123, 9346246, 14019369, 28038738]

約数ペア:

[(1, 28038738), (2, 14019369), (3, 9346246), (6, 4673123), (7, 4005534), (13, 2156826), (14, 2002767), (21, 1335178), (26, 1078413), (39, 718942), (42, 667589), (78, 359471), (89, 315042), (91, 308118), (178, 157521), (182, 154059), (267, 105014), (273, 102706), (534, 52507), (546, 51353), (577, 48594), (623, 45006), (1154, 24297), (1157, 24234), (1246, 22503), (1731, 16198), (1869, 15002), (2314, 12117), (3462, 8099), (3471, 8078), (3738, 7501), (4039, 6942)]