128568348

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{421}}^1\times {\mathrm{499}}^1$

素因数の和:947

約数の個数: 72

約数和(自身を含む): 345618000

約数和(自身を除く): 217049652

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 153, 204, 306, 421, 499, 612, 842, 998, 1263, 1497, 1684, 1996, 2526, 2994, 3789, 4491, 5052, 5988, 7157, 7578, 8483, 8982, 14314, 15156, 16966, 17964, 21471, 25449, 28628, 33932, 42942, 50898, 64413, 76347, 85884, 101796, 128826, 152694, 210079, 257652, 305388, 420158, 630237, 840316, 1260474, 1890711, 2520948, 3571343, 3781422, 7142686, 7562844, 10714029, 14285372, 21428058, 32142087, 42856116, 64284174, 128568348]

約数ペア:

[(1, 128568348), (2, 64284174), (3, 42856116), (4, 32142087), (6, 21428058), (9, 14285372), (12, 10714029), (17, 7562844), (18, 7142686), (34, 3781422), (36, 3571343), (51, 2520948), (68, 1890711), (102, 1260474), (153, 840316), (204, 630237), (306, 420158), (421, 305388), (499, 257652), (612, 210079), (842, 152694), (998, 128826), (1263, 101796), (1497, 85884), (1684, 76347), (1996, 64413), (2526, 50898), (2994, 42942), (3789, 33932), (4491, 28628), (5052, 25449), (5988, 21471), (7157, 17964), (7578, 16966), (8483, 15156), (8982, 14314)]