28653982

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{641}}^1$

素因数の和:784

約数の個数: 32

約数和(自身を含む): 51277824

約数和(自身を除く): 22623842

約数列:

[1, 2, 7, 14, 31, 62, 103, 206, 217, 434, 641, 721, 1282, 1442, 3193, 4487, 6386, 8974, 19871, 22351, 39742, 44702, 66023, 132046, 139097, 278194, 462161, 924322, 2046713, 4093426, 14326991, 28653982]

約数ペア:

[(1, 28653982), (2, 14326991), (7, 4093426), (14, 2046713), (31, 924322), (62, 462161), (103, 278194), (206, 139097), (217, 132046), (434, 66023), (641, 44702), (721, 39742), (1282, 22351), (1442, 19871), (3193, 8974), (4487, 6386)]