131205516

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{2087}}^1$

素因数の和:2151

約数の個数: 72

約数和(自身を含む): 342365184

約数和(自身を除く): 211159668

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 39, 52, 62, 78, 93, 124, 156, 169, 186, 338, 372, 403, 507, 676, 806, 1014, 1209, 1612, 2028, 2087, 2418, 4174, 4836, 5239, 6261, 8348, 10478, 12522, 15717, 20956, 25044, 27131, 31434, 54262, 62868, 64697, 81393, 108524, 129394, 162786, 194091, 258788, 325572, 352703, 388182, 705406, 776364, 841061, 1058109, 1410812, 1682122, 2116218, 2523183, 3364244, 4232436, 5046366, 10092732, 10933793, 21867586, 32801379, 43735172, 65602758, 131205516]

約数ペア:

[(1, 131205516), (2, 65602758), (3, 43735172), (4, 32801379), (6, 21867586), (12, 10933793), (13, 10092732), (26, 5046366), (31, 4232436), (39, 3364244), (52, 2523183), (62, 2116218), (78, 1682122), (93, 1410812), (124, 1058109), (156, 841061), (169, 776364), (186, 705406), (338, 388182), (372, 352703), (403, 325572), (507, 258788), (676, 194091), (806, 162786), (1014, 129394), (1209, 108524), (1612, 81393), (2028, 64697), (2087, 62868), (2418, 54262), (4174, 31434), (4836, 27131), (5239, 25044), (6261, 20956), (8348, 15717), (10478, 12522)]