81162588

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{1291}}^1$

素因数の和:1355

約数の個数: 72

約数和(自身を含む): 211846656

約数和(自身を除く): 130684068

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, 1291, 1612, 2028, 2418, 2582, 3873, 4836, 5164, 5239, 7746, 10478, 15492, 15717, 16783, 20956, 31434, 33566, 40021, 50349, 62868, 67132, 80042, 100698, 120063, 160084, 201396, 218179, 240126, 436358, 480252, 520273, 654537, 872716, 1040546, 1309074, 1560819, 2081092, 2618148, 3121638, 6243276, 6763549, 13527098, 20290647, 27054196, 40581294, 81162588]

約数ペア:

[(1, 81162588), (2, 40581294), (3, 27054196), (4, 20290647), (6, 13527098), (12, 6763549), (13, 6243276), (26, 3121638), (31, 2618148), (39, 2081092), (52, 1560819), (62, 1309074), (78, 1040546), (93, 872716), (124, 654537), (156, 520273), (169, 480252), (186, 436358), (338, 240126), (372, 218179), (403, 201396), (507, 160084), (676, 120063), (806, 100698), (1014, 80042), (1209, 67132), (1291, 62868), (1612, 50349), (2028, 40021), (2418, 33566), (2582, 31434), (3873, 20956), (4836, 16783), (5164, 15717), (5239, 15492), (7746, 10478)]