28034615

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:216

約数の個数: 48

約数和(自身を含む): 42550272

約数和(自身を除く): 14515657

約数列:

[1, 5, 7, 17, 35, 49, 53, 85, 119, 127, 245, 265, 371, 595, 635, 833, 889, 901, 1855, 2159, 2597, 4165, 4445, 4505, 6223, 6307, 6731, 10795, 12985, 15113, 31115, 31535, 33655, 44149, 47117, 75565, 105791, 114427, 220745, 235585, 329819, 528955, 572135, 800989, 1649095, 4004945, 5606923, 28034615]

約数ペア:

[(1, 28034615), (5, 5606923), (7, 4004945), (17, 1649095), (35, 800989), (49, 572135), (53, 528955), (85, 329819), (119, 235585), (127, 220745), (245, 114427), (265, 105791), (371, 75565), (595, 47117), (635, 44149), (833, 33655), (889, 31535), (901, 31115), (1855, 15113), (2159, 12985), (2597, 10795), (4165, 6731), (4445, 6307), (4505, 6223)]