4006021978

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{108347}}^1$

素因数の和:108514

約数の個数: 32

約数和(自身を含む): 7280985600

約数和(自身を除く): 3274963622

約数列:

[1, 2, 7, 14, 19, 38, 133, 139, 266, 278, 973, 1946, 2641, 5282, 18487, 36974, 108347, 216694, 758429, 1516858, 2058593, 4117186, 14410151, 15060233, 28820302, 30120466, 105421631, 210843262, 286144427, 572288854, 2003010989, 4006021978]

約数ペア:

[(1, 4006021978), (2, 2003010989), (7, 572288854), (14, 286144427), (19, 210843262), (38, 105421631), (133, 30120466), (139, 28820302), (266, 15060233), (278, 14410151), (973, 4117186), (1946, 2058593), (2641, 1516858), (5282, 758429), (18487, 216694), (36974, 108347)]