81490384

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{2287}}^1$

素因数の和:2443

約数の個数: 40

約数和(自身を含む): 168524928

約数和(自身を除く): 87034544

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 131, 136, 262, 272, 524, 1048, 2096, 2227, 2287, 4454, 4574, 8908, 9148, 17816, 18296, 35632, 36592, 38879, 77758, 155516, 299597, 311032, 599194, 622064, 1198388, 2396776, 4793552, 5093149, 10186298, 20372596, 40745192, 81490384]

約数ペア:

[(1, 81490384), (2, 40745192), (4, 20372596), (8, 10186298), (16, 5093149), (17, 4793552), (34, 2396776), (68, 1198388), (131, 622064), (136, 599194), (262, 311032), (272, 299597), (524, 155516), (1048, 77758), (2096, 38879), (2227, 36592), (2287, 35632), (4454, 18296), (4574, 17816), (8908, 9148)]