947473345

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{211}}^1$

素因数の和:446

約数の個数: 64

約数和(自身を含む): 1436037120

約数和(自身を除く): 488563775

約数列:

[1, 5, 7, 13, 35, 65, 71, 91, 139, 211, 355, 455, 497, 695, 923, 973, 1055, 1477, 1807, 2485, 2743, 4615, 4865, 6461, 7385, 9035, 9869, 12649, 13715, 14981, 19201, 29329, 32305, 49345, 63245, 69083, 74905, 96005, 104867, 128297, 146645, 194753, 205303, 345415, 381277, 524335, 641485, 898079, 973765, 1026515, 1363271, 1906385, 2082359, 2668939, 4490395, 6816355, 10411795, 13344695, 14576513, 27070667, 72882565, 135353335, 189494669, 947473345]

約数ペア:

[(1, 947473345), (5, 189494669), (7, 135353335), (13, 72882565), (35, 27070667), (65, 14576513), (71, 13344695), (91, 10411795), (139, 6816355), (211, 4490395), (355, 2668939), (455, 2082359), (497, 1906385), (695, 1363271), (923, 1026515), (973, 973765), (1055, 898079), (1477, 641485), (1807, 524335), (2485, 381277), (2743, 345415), (4615, 205303), (4865, 194753), (6461, 146645), (7385, 128297), (9035, 104867), (9869, 96005), (12649, 74905), (13715, 69083), (14981, 63245), (19201, 49345), (29329, 32305)]