81978064

素因数分解:

$2^4\times 7^1\times {\mathrm{101}}^1\times {\mathrm{7247}}^1$

素因数の和:7363

約数の個数: 40

約数和(自身を含む): 183345408

約数和(自身を除く): 101367344

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 101, 112, 202, 404, 707, 808, 1414, 1616, 2828, 5656, 7247, 11312, 14494, 28988, 50729, 57976, 101458, 115952, 202916, 405832, 731947, 811664, 1463894, 2927788, 5123629, 5855576, 10247258, 11711152, 20494516, 40989032, 81978064]

約数ペア:

[(1, 81978064), (2, 40989032), (4, 20494516), (7, 11711152), (8, 10247258), (14, 5855576), (16, 5123629), (28, 2927788), (56, 1463894), (101, 811664), (112, 731947), (202, 405832), (404, 202916), (707, 115952), (808, 101458), (1414, 57976), (1616, 50729), (2828, 28988), (5656, 14494), (7247, 11312)]