28103724

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{70969}}^1$

素因数の和:70990

約数の個数: 36

約数和(自身を含む): 77499240

約数和(自身を除く): 49395516

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 70969, 141938, 212907, 283876, 425814, 638721, 780659, 851628, 1277442, 1561318, 2341977, 2554884, 3122636, 4683954, 7025931, 9367908, 14051862, 28103724]

約数ペア:

[(1, 28103724), (2, 14051862), (3, 9367908), (4, 7025931), (6, 4683954), (9, 3122636), (11, 2554884), (12, 2341977), (18, 1561318), (22, 1277442), (33, 851628), (36, 780659), (44, 638721), (66, 425814), (99, 283876), (132, 212907), (198, 141938), (396, 70969)]