281239672

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{264323}}^1$

素因数の和:264355

約数の個数: 32

約数和(自身を含む): 634377600

約数和(自身を除く): 353137928

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 264323, 528646, 1057292, 1850261, 2114584, 3700522, 5022137, 7401044, 10044274, 14802088, 20088548, 35154959, 40177096, 70309918, 140619836, 281239672]

約数ペア:

[(1, 281239672), (2, 140619836), (4, 70309918), (7, 40177096), (8, 35154959), (14, 20088548), (19, 14802088), (28, 10044274), (38, 7401044), (56, 5022137), (76, 3700522), (133, 2114584), (152, 1850261), (266, 1057292), (532, 528646), (1064, 264323)]