28624218

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{331}}^1$

素因数の和:443

約数の個数: 64

約数和(自身を含む): 68843520

約数和(自身を除く): 40219302

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 42, 58, 71, 87, 142, 174, 203, 213, 331, 406, 426, 497, 609, 662, 993, 994, 1218, 1491, 1986, 2059, 2317, 2982, 4118, 4634, 6177, 6951, 9599, 12354, 13902, 14413, 19198, 23501, 28797, 28826, 43239, 47002, 57594, 67193, 70503, 86478, 134386, 141006, 164507, 201579, 329014, 403158, 493521, 681529, 987042, 1363058, 2044587, 4089174, 4770703, 9541406, 14312109, 28624218]

約数ペア:

[(1, 28624218), (2, 14312109), (3, 9541406), (6, 4770703), (7, 4089174), (14, 2044587), (21, 1363058), (29, 987042), (42, 681529), (58, 493521), (71, 403158), (87, 329014), (142, 201579), (174, 164507), (203, 141006), (213, 134386), (331, 86478), (406, 70503), (426, 67193), (497, 57594), (609, 47002), (662, 43239), (993, 28826), (994, 28797), (1218, 23501), (1491, 19198), (1986, 14413), (2059, 13902), (2317, 12354), (2982, 9599), (4118, 6951), (4634, 6177)]