20152916

素因数分解:

$2^2\times 7^2\times {\mathrm{229}}^1\times {\mathrm{449}}^1$

素因数の和:696

約数の個数: 36

約数和(自身を含む): 41296500

約数和(自身を除く): 21143584

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 229, 449, 458, 898, 916, 1603, 1796, 3143, 3206, 6286, 6412, 11221, 12572, 22001, 22442, 44002, 44884, 88004, 102821, 205642, 411284, 719747, 1439494, 2878988, 5038229, 10076458, 20152916]

約数ペア:

[(1, 20152916), (2, 10076458), (4, 5038229), (7, 2878988), (14, 1439494), (28, 719747), (49, 411284), (98, 205642), (196, 102821), (229, 88004), (449, 44884), (458, 44002), (898, 22442), (916, 22001), (1603, 12572), (1796, 11221), (3143, 6412), (3206, 6286)]