257348768

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{311}}^1\times {\mathrm{1361}}^1$

素因数の和:1701

約数の個数: 48

約数和(自身を含む): 535429440

約数和(自身を除く): 278080672

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 311, 608, 622, 1244, 1361, 2488, 2722, 4976, 5444, 5909, 9952, 10888, 11818, 21776, 23636, 25859, 43552, 47272, 51718, 94544, 103436, 189088, 206872, 413744, 423271, 827488, 846542, 1693084, 3386168, 6772336, 8042149, 13544672, 16084298, 32168596, 64337192, 128674384, 257348768]

約数ペア:

[(1, 257348768), (2, 128674384), (4, 64337192), (8, 32168596), (16, 16084298), (19, 13544672), (32, 8042149), (38, 6772336), (76, 3386168), (152, 1693084), (304, 846542), (311, 827488), (608, 423271), (622, 413744), (1244, 206872), (1361, 189088), (2488, 103436), (2722, 94544), (4976, 51718), (5444, 47272), (5909, 43552), (9952, 25859), (10888, 23636), (11818, 21776)]