199917438

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{1249}}^1$

素因数の和:1401

約数の個数: 64

約数和(自身を含む): 474240000

約数和(自身を除く): 274322562

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 74, 103, 111, 206, 222, 259, 309, 518, 618, 721, 777, 1249, 1442, 1554, 2163, 2498, 3747, 3811, 4326, 7494, 7622, 8743, 11433, 17486, 22866, 26229, 26677, 46213, 52458, 53354, 80031, 92426, 128647, 138639, 160062, 257294, 277278, 323491, 385941, 646982, 771882, 900529, 970473, 1801058, 1940946, 2701587, 4759939, 5403174, 9519878, 14279817, 28559634, 33319573, 66639146, 99958719, 199917438]

約数ペア:

[(1, 199917438), (2, 99958719), (3, 66639146), (6, 33319573), (7, 28559634), (14, 14279817), (21, 9519878), (37, 5403174), (42, 4759939), (74, 2701587), (103, 1940946), (111, 1801058), (206, 970473), (222, 900529), (259, 771882), (309, 646982), (518, 385941), (618, 323491), (721, 277278), (777, 257294), (1249, 160062), (1442, 138639), (1554, 128647), (2163, 92426), (2498, 80031), (3747, 53354), (3811, 52458), (4326, 46213), (7494, 26677), (7622, 26229), (8743, 22866), (11433, 17486)]