71820108

素因数分解:

$2^2\times 3^5\times {\mathrm{37}}^1\times {\mathrm{1997}}^1$

素因数の和:2053

約数の個数: 72

約数和(自身を含む): 193454352

約数和(自身を除く): 121634244

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 37, 54, 74, 81, 108, 111, 148, 162, 222, 243, 324, 333, 444, 486, 666, 972, 999, 1332, 1997, 1998, 2997, 3994, 3996, 5991, 5994, 7988, 8991, 11982, 11988, 17973, 17982, 23964, 35946, 35964, 53919, 71892, 73889, 107838, 147778, 161757, 215676, 221667, 295556, 323514, 443334, 485271, 647028, 665001, 886668, 970542, 1330002, 1941084, 1995003, 2660004, 3990006, 5985009, 7980012, 11970018, 17955027, 23940036, 35910054, 71820108]

約数ペア:

[(1, 71820108), (2, 35910054), (3, 23940036), (4, 17955027), (6, 11970018), (9, 7980012), (12, 5985009), (18, 3990006), (27, 2660004), (36, 1995003), (37, 1941084), (54, 1330002), (74, 970542), (81, 886668), (108, 665001), (111, 647028), (148, 485271), (162, 443334), (222, 323514), (243, 295556), (324, 221667), (333, 215676), (444, 161757), (486, 147778), (666, 107838), (972, 73889), (999, 71892), (1332, 53919), (1997, 35964), (1998, 35946), (2997, 23964), (3994, 17982), (3996, 17973), (5991, 11988), (5994, 11982), (7988, 8991)]