1663792

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1$

素因数の和:461

約数の個数: 40

約数和(自身を含む): 3662960

約数和(自身を除く): 1999168

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 421, 494, 842, 988, 1684, 1976, 3368, 3952, 5473, 6736, 7999, 10946, 15998, 21892, 31996, 43784, 63992, 87568, 103987, 127984, 207974, 415948, 831896, 1663792]

約数ペア:

[(1, 1663792), (2, 831896), (4, 415948), (8, 207974), (13, 127984), (16, 103987), (19, 87568), (26, 63992), (38, 43784), (52, 31996), (76, 21892), (104, 15998), (152, 10946), (208, 7999), (247, 6736), (304, 5473), (421, 3952), (494, 3368), (842, 1976), (988, 1684)]