28039438

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^2$

素因数の和:169

約数の個数: 48

約数和(自身を含む): 52770816

約数和(自身を除く): 24731378

約数列:

[1, 2, 7, 14, 23, 31, 46, 53, 62, 106, 161, 217, 322, 371, 434, 713, 742, 1219, 1426, 1643, 2438, 2809, 3286, 4991, 5618, 8533, 9982, 11501, 17066, 19663, 23002, 37789, 39326, 64607, 75578, 87079, 129214, 174158, 264523, 452249, 529046, 609553, 904498, 1219106, 2002817, 4005634, 14019719, 28039438]

約数ペア:

[(1, 28039438), (2, 14019719), (7, 4005634), (14, 2002817), (23, 1219106), (31, 904498), (46, 609553), (53, 529046), (62, 452249), (106, 264523), (161, 174158), (217, 129214), (322, 87079), (371, 75578), (434, 64607), (713, 39326), (742, 37789), (1219, 23002), (1426, 19663), (1643, 17066), (2438, 11501), (2809, 9982), (3286, 8533), (4991, 5618)]