9997904

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:180

約数の個数: 80

約数和(自身を含む): 24105600

約数和(自身を除く): 14107696

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 59, 68, 89, 112, 118, 119, 136, 178, 236, 238, 272, 356, 413, 472, 476, 623, 712, 826, 944, 952, 1003, 1246, 1424, 1513, 1652, 1904, 2006, 2492, 3026, 3304, 4012, 4984, 5251, 6052, 6608, 7021, 8024, 9968, 10502, 10591, 12104, 14042, 16048, 21004, 21182, 24208, 28084, 36757, 42008, 42364, 56168, 73514, 84016, 84728, 89267, 112336, 147028, 169456, 178534, 294056, 357068, 588112, 624869, 714136, 1249738, 1428272, 2499476, 4998952, 9997904]

約数ペア:

[(1, 9997904), (2, 4998952), (4, 2499476), (7, 1428272), (8, 1249738), (14, 714136), (16, 624869), (17, 588112), (28, 357068), (34, 294056), (56, 178534), (59, 169456), (68, 147028), (89, 112336), (112, 89267), (118, 84728), (119, 84016), (136, 73514), (178, 56168), (236, 42364), (238, 42008), (272, 36757), (356, 28084), (413, 24208), (472, 21182), (476, 21004), (623, 16048), (712, 14042), (826, 12104), (944, 10591), (952, 10502), (1003, 9968), (1246, 8024), (1424, 7021), (1513, 6608), (1652, 6052), (1904, 5251), (2006, 4984), (2492, 4012), (3026, 3304)]