403936144

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{413869}}^1$

素因数の和:413938

約数の個数: 20

約数和(自身を含む): 795458140

約数和(自身を除く): 391521996

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 413869, 827738, 1655476, 3310952, 6621904, 25246009, 50492018, 100984036, 201968072, 403936144]

約数ペア:

[(1, 403936144), (2, 201968072), (4, 100984036), (8, 50492018), (16, 25246009), (61, 6621904), (122, 3310952), (244, 1655476), (488, 827738), (976, 413869)]