399649968

素因数分解:

$2^4\times 3^2\times {\mathrm{2775347}}^1$

素因数の和:2775361

約数の個数: 30

約数和(自身を含む): 1118465244

約数和(自身を除く): 718815276

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 2775347, 5550694, 8326041, 11101388, 16652082, 22202776, 24978123, 33304164, 44405552, 49956246, 66608328, 99912492, 133216656, 199824984, 399649968]

約数ペア:

[(1, 399649968), (2, 199824984), (3, 133216656), (4, 99912492), (6, 66608328), (8, 49956246), (9, 44405552), (12, 33304164), (16, 24978123), (18, 22202776), (24, 16652082), (36, 11101388), (48, 8326041), (72, 5550694), (144, 2775347)]