261595312

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{479}}^1$

素因数の和:634

約数の個数: 80

約数和(自身を含む): 578534400

約数和(自身を除く): 316939088

約数列:

[1, 2, 4, 8, 11, 16, 22, 29, 44, 58, 88, 107, 116, 176, 214, 232, 319, 428, 464, 479, 638, 856, 958, 1177, 1276, 1712, 1916, 2354, 2552, 3103, 3832, 4708, 5104, 5269, 6206, 7664, 9416, 10538, 12412, 13891, 18832, 21076, 24824, 27782, 34133, 42152, 49648, 51253, 55564, 68266, 84304, 102506, 111128, 136532, 152801, 205012, 222256, 273064, 305602, 410024, 546128, 563783, 611204, 820048, 1127566, 1222408, 1486337, 2255132, 2444816, 2972674, 4510264, 5945348, 9020528, 11890696, 16349707, 23781392, 32699414, 65398828, 130797656, 261595312]

約数ペア:

[(1, 261595312), (2, 130797656), (4, 65398828), (8, 32699414), (11, 23781392), (16, 16349707), (22, 11890696), (29, 9020528), (44, 5945348), (58, 4510264), (88, 2972674), (107, 2444816), (116, 2255132), (176, 1486337), (214, 1222408), (232, 1127566), (319, 820048), (428, 611204), (464, 563783), (479, 546128), (638, 410024), (856, 305602), (958, 273064), (1177, 222256), (1276, 205012), (1712, 152801), (1916, 136532), (2354, 111128), (2552, 102506), (3103, 84304), (3832, 68266), (4708, 55564), (5104, 51253), (5269, 49648), (6206, 42152), (7664, 34133), (9416, 27782), (10538, 24824), (12412, 21076), (13891, 18832)]