261741648

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{778993}}^1$

素因数の和:779011

約数の個数: 40

約数和(自身を含む): 772762048

約数和(自身を除く): 511020400

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 778993, 1557986, 2336979, 3115972, 4673958, 5452951, 6231944, 9347916, 10905902, 12463888, 16358853, 18695832, 21811804, 32717706, 37391664, 43623608, 65435412, 87247216, 130870824, 261741648]

約数ペア:

[(1, 261741648), (2, 130870824), (3, 87247216), (4, 65435412), (6, 43623608), (7, 37391664), (8, 32717706), (12, 21811804), (14, 18695832), (16, 16358853), (21, 12463888), (24, 10905902), (28, 9347916), (42, 6231944), (48, 5452951), (56, 4673958), (84, 3115972), (112, 2336979), (168, 1557986), (336, 778993)]