261815288

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{2389}}^1$

素因数の和:2524

約数の個数: 64

約数和(自身を含む): 596544000

約数和(自身を除く): 334728712

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 103, 133, 152, 206, 266, 412, 532, 721, 824, 1064, 1442, 1957, 2389, 2884, 3914, 4778, 5768, 7828, 9556, 13699, 15656, 16723, 19112, 27398, 33446, 45391, 54796, 66892, 90782, 109592, 133784, 181564, 246067, 317737, 363128, 492134, 635474, 984268, 1270948, 1722469, 1968536, 2541896, 3444938, 4675273, 6889876, 9350546, 13779752, 18701092, 32726911, 37402184, 65453822, 130907644, 261815288]

約数ペア:

[(1, 261815288), (2, 130907644), (4, 65453822), (7, 37402184), (8, 32726911), (14, 18701092), (19, 13779752), (28, 9350546), (38, 6889876), (56, 4675273), (76, 3444938), (103, 2541896), (133, 1968536), (152, 1722469), (206, 1270948), (266, 984268), (412, 635474), (532, 492134), (721, 363128), (824, 317737), (1064, 246067), (1442, 181564), (1957, 133784), (2389, 109592), (2884, 90782), (3914, 66892), (4778, 54796), (5768, 45391), (7828, 33446), (9556, 27398), (13699, 19112), (15656, 16723)]