28402458

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{37}}^1\times {\mathrm{373}}^1$

素因数の和:436

約数の個数: 64

約数和(自身を含む): 68217600

約数和(自身を除く): 39815142

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 49, 74, 98, 111, 147, 222, 259, 294, 343, 373, 518, 686, 746, 777, 1029, 1119, 1554, 1813, 2058, 2238, 2611, 3626, 5222, 5439, 7833, 10878, 12691, 13801, 15666, 18277, 25382, 27602, 36554, 38073, 41403, 54831, 76146, 82806, 96607, 109662, 127939, 193214, 255878, 289821, 383817, 579642, 676249, 767634, 1352498, 2028747, 4057494, 4733743, 9467486, 14201229, 28402458]

約数ペア:

[(1, 28402458), (2, 14201229), (3, 9467486), (6, 4733743), (7, 4057494), (14, 2028747), (21, 1352498), (37, 767634), (42, 676249), (49, 579642), (74, 383817), (98, 289821), (111, 255878), (147, 193214), (222, 127939), (259, 109662), (294, 96607), (343, 82806), (373, 76146), (518, 54831), (686, 41403), (746, 38073), (777, 36554), (1029, 27602), (1119, 25382), (1554, 18277), (1813, 15666), (2058, 13801), (2238, 12691), (2611, 10878), (3626, 7833), (5222, 5439)]