128346386

素因数分解:

$2^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{509}}^1$

素因数の和:639

約数の個数: 48

約数和(自身を含む): 234420480

約数和(自身を除く): 106074094

約数列:

[1, 2, 7, 14, 31, 49, 62, 83, 98, 166, 217, 434, 509, 581, 1018, 1162, 1519, 2573, 3038, 3563, 4067, 5146, 7126, 8134, 15779, 18011, 24941, 31558, 36022, 42247, 49882, 84494, 110453, 126077, 220906, 252154, 295729, 591458, 773171, 1309657, 1546342, 2070103, 2619314, 4140206, 9167599, 18335198, 64173193, 128346386]

約数ペア:

[(1, 128346386), (2, 64173193), (7, 18335198), (14, 9167599), (31, 4140206), (49, 2619314), (62, 2070103), (83, 1546342), (98, 1309657), (166, 773171), (217, 591458), (434, 295729), (509, 252154), (581, 220906), (1018, 126077), (1162, 110453), (1519, 84494), (2573, 49882), (3038, 42247), (3563, 36022), (4067, 31558), (5146, 24941), (7126, 18011), (8134, 15779)]