128791864

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{7229}}^1$

素因数の和:7383

約数の個数: 32

約数和(自身を含む): 257677200

約数和(自身を除く): 128885336

約数列:

[1, 2, 4, 8, 17, 34, 68, 131, 136, 262, 524, 1048, 2227, 4454, 7229, 8908, 14458, 17816, 28916, 57832, 122893, 245786, 491572, 946999, 983144, 1893998, 3787996, 7575992, 16098983, 32197966, 64395932, 128791864]

約数ペア:

[(1, 128791864), (2, 64395932), (4, 32197966), (8, 16098983), (17, 7575992), (34, 3787996), (68, 1893998), (131, 983144), (136, 946999), (262, 491572), (524, 245786), (1048, 122893), (2227, 57832), (4454, 28916), (7229, 17816), (8908, 14458)]