81425412

素因数分解:

$2^2\times 3^5\times {\mathrm{19}}^1\times {\mathrm{4409}}^1$

素因数の和:4447

約数の個数: 72

約数和(自身を含む): 224733600

約数和(自身を除く): 143308188

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 81, 108, 114, 162, 171, 228, 243, 324, 342, 486, 513, 684, 972, 1026, 1539, 2052, 3078, 4409, 4617, 6156, 8818, 9234, 13227, 17636, 18468, 26454, 39681, 52908, 79362, 83771, 119043, 158724, 167542, 238086, 251313, 335084, 357129, 476172, 502626, 714258, 753939, 1005252, 1071387, 1428516, 1507878, 2142774, 2261817, 3015756, 4285548, 4523634, 6785451, 9047268, 13570902, 20356353, 27141804, 40712706, 81425412]

約数ペア:

[(1, 81425412), (2, 40712706), (3, 27141804), (4, 20356353), (6, 13570902), (9, 9047268), (12, 6785451), (18, 4523634), (19, 4285548), (27, 3015756), (36, 2261817), (38, 2142774), (54, 1507878), (57, 1428516), (76, 1071387), (81, 1005252), (108, 753939), (114, 714258), (162, 502626), (171, 476172), (228, 357129), (243, 335084), (324, 251313), (342, 238086), (486, 167542), (513, 158724), (684, 119043), (972, 83771), (1026, 79362), (1539, 52908), (2052, 39681), (3078, 26454), (4409, 18468), (4617, 17636), (6156, 13227), (8818, 9234)]