777777890

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{229}}^1\times {\mathrm{14767}}^1$

素因数の和:15026

約数の個数: 32

約数和(自身を含む): 1467348480

約数和(自身を除く): 689570590

約数列:

[1, 2, 5, 10, 23, 46, 115, 229, 230, 458, 1145, 2290, 5267, 10534, 14767, 26335, 29534, 52670, 73835, 147670, 339641, 679282, 1698205, 3381643, 3396410, 6763286, 16908215, 33816430, 77777789, 155555578, 388888945, 777777890]

約数ペア:

[(1, 777777890), (2, 388888945), (5, 155555578), (10, 77777789), (23, 33816430), (46, 16908215), (115, 6763286), (229, 3396410), (230, 3381643), (458, 1698205), (1145, 679282), (2290, 339641), (5267, 147670), (10534, 73835), (14767, 52670), (26335, 29534)]