28158444

素因数分解:

$2^2\times 3^2\times {\mathrm{79}}^1\times {\mathrm{9901}}^1$

素因数の和:9990

約数の個数: 36

約数和(自身を含む): 72086560

約数和(自身を除く): 43928116

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 79, 158, 237, 316, 474, 711, 948, 1422, 2844, 9901, 19802, 29703, 39604, 59406, 89109, 118812, 178218, 356436, 782179, 1564358, 2346537, 3128716, 4693074, 7039611, 9386148, 14079222, 28158444]

約数ペア:

[(1, 28158444), (2, 14079222), (3, 9386148), (4, 7039611), (6, 4693074), (9, 3128716), (12, 2346537), (18, 1564358), (36, 782179), (79, 356436), (158, 178218), (237, 118812), (316, 89109), (474, 59406), (711, 39604), (948, 29703), (1422, 19802), (2844, 9901)]