664631388

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{7927}}^1$

素因数の和:8091

約数の個数: 72

約数和(自身を含む): 1792076832

約数和(自身を除く): 1127445444

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 137, 153, 204, 274, 306, 411, 548, 612, 822, 1233, 1644, 2329, 2466, 4658, 4932, 6987, 7927, 9316, 13974, 15854, 20961, 23781, 27948, 31708, 41922, 47562, 71343, 83844, 95124, 134759, 142686, 269518, 285372, 404277, 539036, 808554, 1085999, 1212831, 1617108, 2171998, 2425662, 3257997, 4343996, 4851324, 6515994, 9773991, 13031988, 18461983, 19547982, 36923966, 39095964, 55385949, 73847932, 110771898, 166157847, 221543796, 332315694, 664631388]

約数ペア:

[(1, 664631388), (2, 332315694), (3, 221543796), (4, 166157847), (6, 110771898), (9, 73847932), (12, 55385949), (17, 39095964), (18, 36923966), (34, 19547982), (36, 18461983), (51, 13031988), (68, 9773991), (102, 6515994), (137, 4851324), (153, 4343996), (204, 3257997), (274, 2425662), (306, 2171998), (411, 1617108), (548, 1212831), (612, 1085999), (822, 808554), (1233, 539036), (1644, 404277), (2329, 285372), (2466, 269518), (4658, 142686), (4932, 134759), (6987, 95124), (7927, 83844), (9316, 71343), (13974, 47562), (15854, 41922), (20961, 31708), (23781, 27948)]