28420732

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{229}}^1$

素因数の和:346

約数の個数: 48

約数和(自身を含む): 55641600

約数和(自身を除く): 27220868

約数列:

[1, 2, 4, 19, 23, 38, 46, 71, 76, 92, 142, 229, 284, 437, 458, 874, 916, 1349, 1633, 1748, 2698, 3266, 4351, 5267, 5396, 6532, 8702, 10534, 16259, 17404, 21068, 31027, 32518, 62054, 65036, 100073, 124108, 200146, 308921, 373957, 400292, 617842, 747914, 1235684, 1495828, 7105183, 14210366, 28420732]

約数ペア:

[(1, 28420732), (2, 14210366), (4, 7105183), (19, 1495828), (23, 1235684), (38, 747914), (46, 617842), (71, 400292), (76, 373957), (92, 308921), (142, 200146), (229, 124108), (284, 100073), (437, 65036), (458, 62054), (874, 32518), (916, 31027), (1349, 21068), (1633, 17404), (1748, 16259), (2698, 10534), (3266, 8702), (4351, 6532), (5267, 5396)]