261365664

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{388937}}^1$

素因数の和:388957

約数の個数: 48

約数和(自身を含む): 784099008

約数和(自身を除く): 522733344

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 168, 224, 336, 672, 388937, 777874, 1166811, 1555748, 2333622, 2722559, 3111496, 4667244, 5445118, 6222992, 8167677, 9334488, 10890236, 12445984, 16335354, 18668976, 21780472, 32670708, 37337952, 43560944, 65341416, 87121888, 130682832, 261365664]

約数ペア:

[(1, 261365664), (2, 130682832), (3, 87121888), (4, 65341416), (6, 43560944), (7, 37337952), (8, 32670708), (12, 21780472), (14, 18668976), (16, 16335354), (21, 12445984), (24, 10890236), (28, 9334488), (32, 8167677), (42, 6222992), (48, 5445118), (56, 4667244), (84, 3111496), (96, 2722559), (112, 2333622), (168, 1555748), (224, 1166811), (336, 777874), (672, 388937)]