199981796

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{2539}}^1$

素因数の和:2676

約数の個数: 48

約数和(自身を含む): 418185600

約数和(自身を除く): 218203804

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 97, 116, 194, 203, 388, 406, 679, 812, 1358, 2539, 2716, 2813, 5078, 5626, 10156, 11252, 17773, 19691, 35546, 39382, 71092, 73631, 78764, 147262, 246283, 294524, 492566, 515417, 985132, 1030834, 1723981, 2061668, 3447962, 6895924, 7142207, 14284414, 28568828, 49995449, 99990898, 199981796]

約数ペア:

[(1, 199981796), (2, 99990898), (4, 49995449), (7, 28568828), (14, 14284414), (28, 7142207), (29, 6895924), (58, 3447962), (97, 2061668), (116, 1723981), (194, 1030834), (203, 985132), (388, 515417), (406, 492566), (679, 294524), (812, 246283), (1358, 147262), (2539, 78764), (2716, 73631), (2813, 71092), (5078, 39382), (5626, 35546), (10156, 19691), (11252, 17773)]