28353390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{72701}}^1$

素因数の和:72724

約数の個数: 32

約数和(自身を含む): 73283616

約数和(自身を除く): 44930226

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 72701, 145402, 218103, 363505, 436206, 727010, 945113, 1090515, 1890226, 2181030, 2835339, 4725565, 5670678, 9451130, 14176695, 28353390]

約数ペア:

[(1, 28353390), (2, 14176695), (3, 9451130), (5, 5670678), (6, 4725565), (10, 2835339), (13, 2181030), (15, 1890226), (26, 1090515), (30, 945113), (39, 727010), (65, 436206), (78, 363505), (130, 218103), (195, 145402), (390, 72701)]