256391278

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{24229}}^1$

素因数の和:24292

約数の個数: 32

約数和(自身を含む): 464052960

約数和(自身を除く): 207661682

約数列:

[1, 2, 11, 13, 22, 26, 37, 74, 143, 286, 407, 481, 814, 962, 5291, 10582, 24229, 48458, 266519, 314977, 533038, 629954, 896473, 1792946, 3464747, 6929494, 9861203, 11654149, 19722406, 23308298, 128195639, 256391278]

約数ペア:

[(1, 256391278), (2, 128195639), (11, 23308298), (13, 19722406), (22, 11654149), (26, 9861203), (37, 6929494), (74, 3464747), (143, 1792946), (286, 896473), (407, 629954), (481, 533038), (814, 314977), (962, 266519), (5291, 48458), (10582, 24229)]