279907406288

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{1129}}^1\times {\mathrm{815543}}^1$

素因数の和:816699

約数の個数: 40

約数和(自身を含む): 571370126400

約数和(自身を除く): 291462720112

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 1129, 2258, 4516, 9032, 18064, 21451, 42902, 85804, 171608, 343216, 815543, 1631086, 3262172, 6524344, 13048688, 15495317, 30990634, 61981268, 123962536, 247925072, 920748047, 1841496094, 3682992188, 7365984376, 14731968752, 17494212893, 34988425786, 69976851572, 139953703144, 279907406288]

約数ペア:

[(1, 279907406288), (2, 139953703144), (4, 69976851572), (8, 34988425786), (16, 17494212893), (19, 14731968752), (38, 7365984376), (76, 3682992188), (152, 1841496094), (304, 920748047), (1129, 247925072), (2258, 123962536), (4516, 61981268), (9032, 30990634), (18064, 15495317), (21451, 13048688), (42902, 6524344), (85804, 3262172), (171608, 1631086), (343216, 815543)]