639412572

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{13121}}^1$

素因数の和:13290

約数の個数: 48

約数和(自身を含む): 1551965184

約数和(自身を除く): 912552612

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 93, 124, 131, 186, 262, 372, 393, 524, 786, 1572, 4061, 8122, 12183, 13121, 16244, 24366, 26242, 39363, 48732, 52484, 78726, 157452, 406751, 813502, 1220253, 1627004, 1718851, 2440506, 3437702, 4881012, 5156553, 6875404, 10313106, 20626212, 53284381, 106568762, 159853143, 213137524, 319706286, 639412572]

約数ペア:

[(1, 639412572), (2, 319706286), (3, 213137524), (4, 159853143), (6, 106568762), (12, 53284381), (31, 20626212), (62, 10313106), (93, 6875404), (124, 5156553), (131, 4881012), (186, 3437702), (262, 2440506), (372, 1718851), (393, 1627004), (524, 1220253), (786, 813502), (1572, 406751), (4061, 157452), (8122, 78726), (12183, 52484), (13121, 48732), (16244, 39363), (24366, 26242)]