28235988

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{631}}^1$

素因数の和:765

約数の個数: 72

約数和(自身を含む): 78676416

約数和(自身を除く): 50440428

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 113, 132, 198, 226, 339, 396, 452, 631, 678, 1017, 1243, 1262, 1356, 1893, 2034, 2486, 2524, 3729, 3786, 4068, 4972, 5679, 6941, 7458, 7572, 11187, 11358, 13882, 14916, 20823, 22374, 22716, 27764, 41646, 44748, 62469, 71303, 83292, 124938, 142606, 213909, 249876, 285212, 427818, 641727, 784333, 855636, 1283454, 1568666, 2352999, 2566908, 3137332, 4705998, 7058997, 9411996, 14117994, 28235988]

約数ペア:

[(1, 28235988), (2, 14117994), (3, 9411996), (4, 7058997), (6, 4705998), (9, 3137332), (11, 2566908), (12, 2352999), (18, 1568666), (22, 1283454), (33, 855636), (36, 784333), (44, 641727), (66, 427818), (99, 285212), (113, 249876), (132, 213909), (198, 142606), (226, 124938), (339, 83292), (396, 71303), (452, 62469), (631, 44748), (678, 41646), (1017, 27764), (1243, 22716), (1262, 22374), (1356, 20823), (1893, 14916), (2034, 13882), (2486, 11358), (2524, 11187), (3729, 7572), (3786, 7458), (4068, 6941), (4972, 5679)]