405905916

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{16573}}^1$

素因数の和:16750

約数の個数: 48

約数和(自身を含む): 1026527264

約数和(自身を除く): 620621348

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 157, 314, 471, 628, 942, 1884, 2041, 4082, 6123, 8164, 12246, 16573, 24492, 33146, 49719, 66292, 99438, 198876, 215449, 430898, 646347, 861796, 1292694, 2585388, 2601961, 5203922, 7805883, 10407844, 15611766, 31223532, 33825493, 67650986, 101476479, 135301972, 202952958, 405905916]

約数ペア:

[(1, 405905916), (2, 202952958), (3, 135301972), (4, 101476479), (6, 67650986), (12, 33825493), (13, 31223532), (26, 15611766), (39, 10407844), (52, 7805883), (78, 5203922), (156, 2601961), (157, 2585388), (314, 1292694), (471, 861796), (628, 646347), (942, 430898), (1884, 215449), (2041, 198876), (4082, 99438), (6123, 66292), (8164, 49719), (12246, 33146), (16573, 24492)]