201617816

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{571}}^1$

素因数の和:720

約数の個数: 64

約数和(自身を含む): 420076800

約数和(自身を除く): 218458984

約数列:

[1, 2, 4, 8, 19, 23, 38, 46, 76, 92, 101, 152, 184, 202, 404, 437, 571, 808, 874, 1142, 1748, 1919, 2284, 2323, 3496, 3838, 4568, 4646, 7676, 9292, 10849, 13133, 15352, 18584, 21698, 26266, 43396, 44137, 52532, 57671, 86792, 88274, 105064, 115342, 176548, 230684, 249527, 353096, 461368, 499054, 998108, 1095749, 1326433, 1996216, 2191498, 2652866, 4382996, 5305732, 8765992, 10611464, 25202227, 50404454, 100808908, 201617816]

約数ペア:

[(1, 201617816), (2, 100808908), (4, 50404454), (8, 25202227), (19, 10611464), (23, 8765992), (38, 5305732), (46, 4382996), (76, 2652866), (92, 2191498), (101, 1996216), (152, 1326433), (184, 1095749), (202, 998108), (404, 499054), (437, 461368), (571, 353096), (808, 249527), (874, 230684), (1142, 176548), (1748, 115342), (1919, 105064), (2284, 88274), (2323, 86792), (3496, 57671), (3838, 52532), (4568, 44137), (4646, 43396), (7676, 26266), (9292, 21698), (10849, 18584), (13133, 15352)]