221609738

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^3\times {\mathrm{1301}}^1$

素因数の和:1379

約数の個数: 32

約数和(自身を含む): 397474560

約数和(自身を除く): 175864822

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 529, 1058, 1301, 2602, 3703, 7406, 9107, 12167, 18214, 24334, 29923, 59846, 85169, 170338, 209461, 418922, 688229, 1376458, 4817603, 9635206, 15829267, 31658534, 110804869, 221609738]

約数ペア:

[(1, 221609738), (2, 110804869), (7, 31658534), (14, 15829267), (23, 9635206), (46, 4817603), (161, 1376458), (322, 688229), (529, 418922), (1058, 209461), (1301, 170338), (2602, 85169), (3703, 59846), (7406, 29923), (9107, 24334), (12167, 18214)]