4000984

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:140

約数の個数: 64

約数和(自身を含む): 8951040

約数和(自身を除く): 4950056

約数列:

[1, 2, 4, 8, 13, 17, 26, 31, 34, 52, 62, 68, 73, 104, 124, 136, 146, 221, 248, 292, 403, 442, 527, 584, 806, 884, 949, 1054, 1241, 1612, 1768, 1898, 2108, 2263, 2482, 3224, 3796, 4216, 4526, 4964, 6851, 7592, 9052, 9928, 13702, 16133, 18104, 27404, 29419, 32266, 38471, 54808, 58838, 64532, 76942, 117676, 129064, 153884, 235352, 307768, 500123, 1000246, 2000492, 4000984]

約数ペア:

[(1, 4000984), (2, 2000492), (4, 1000246), (8, 500123), (13, 307768), (17, 235352), (26, 153884), (31, 129064), (34, 117676), (52, 76942), (62, 64532), (68, 58838), (73, 54808), (104, 38471), (124, 32266), (136, 29419), (146, 27404), (221, 18104), (248, 16133), (292, 13702), (403, 9928), (442, 9052), (527, 7592), (584, 6851), (806, 4964), (884, 4526), (949, 4216), (1054, 3796), (1241, 3224), (1612, 2482), (1768, 2263), (1898, 2108)]