31681370

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{337}}^1$

素因数の和:447

約数の個数: 64

約数和(自身を含む): 70087680

約数和(自身を除く): 38406310

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 79, 85, 119, 158, 170, 238, 337, 395, 553, 595, 674, 790, 1106, 1190, 1343, 1685, 2359, 2686, 2765, 3370, 4718, 5530, 5729, 6715, 9401, 11458, 11795, 13430, 18802, 23590, 26623, 28645, 40103, 47005, 53246, 57290, 80206, 94010, 133115, 186361, 200515, 266230, 372722, 401030, 452591, 905182, 931805, 1863610, 2262955, 3168137, 4525910, 6336274, 15840685, 31681370]

約数ペア:

[(1, 31681370), (2, 15840685), (5, 6336274), (7, 4525910), (10, 3168137), (14, 2262955), (17, 1863610), (34, 931805), (35, 905182), (70, 452591), (79, 401030), (85, 372722), (119, 266230), (158, 200515), (170, 186361), (238, 133115), (337, 94010), (395, 80206), (553, 57290), (595, 53246), (674, 47005), (790, 40103), (1106, 28645), (1190, 26623), (1343, 23590), (1685, 18802), (2359, 13430), (2686, 11795), (2765, 11458), (3370, 9401), (4718, 6715), (5530, 5729)]