28037768

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{409}}^1$

素因数の和:486

約数の個数: 64

約数和(自身を含む): 61992000

約数和(自身を除く): 33954232

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 41, 44, 76, 82, 88, 152, 164, 209, 328, 409, 418, 451, 779, 818, 836, 902, 1558, 1636, 1672, 1804, 3116, 3272, 3608, 4499, 6232, 7771, 8569, 8998, 15542, 16769, 17138, 17996, 31084, 33538, 34276, 35992, 62168, 67076, 68552, 85481, 134152, 170962, 184459, 318611, 341924, 368918, 637222, 683848, 737836, 1274444, 1475672, 2548888, 3504721, 7009442, 14018884, 28037768]

約数ペア:

[(1, 28037768), (2, 14018884), (4, 7009442), (8, 3504721), (11, 2548888), (19, 1475672), (22, 1274444), (38, 737836), (41, 683848), (44, 637222), (76, 368918), (82, 341924), (88, 318611), (152, 184459), (164, 170962), (209, 134152), (328, 85481), (409, 68552), (418, 67076), (451, 62168), (779, 35992), (818, 34276), (836, 33538), (902, 31084), (1558, 17996), (1636, 17138), (1672, 16769), (1804, 15542), (3116, 8998), (3272, 8569), (3608, 7771), (4499, 6232)]