66784072

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{251}}^1\times {\mathrm{421}}^1$

素因数の和:757

約数の個数: 32

約数和(自身を含む): 127612800

約数和(自身を除く): 60828728

約数列:

[1, 2, 4, 8, 79, 158, 251, 316, 421, 502, 632, 842, 1004, 1684, 2008, 3368, 19829, 33259, 39658, 66518, 79316, 105671, 133036, 158632, 211342, 266072, 422684, 845368, 8348009, 16696018, 33392036, 66784072]

約数ペア:

[(1, 66784072), (2, 33392036), (4, 16696018), (8, 8348009), (79, 845368), (158, 422684), (251, 266072), (316, 211342), (421, 158632), (502, 133036), (632, 105671), (842, 79316), (1004, 66518), (1684, 39658), (2008, 33259), (3368, 19829)]