81603252

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{2251}}^1$

素因数の和:2333

約数の個数: 72

約数和(自身を含む): 221326560

約数和(自身を除く): 139723308

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 53, 57, 76, 106, 114, 159, 171, 212, 228, 318, 342, 477, 636, 684, 954, 1007, 1908, 2014, 2251, 3021, 4028, 4502, 6042, 6753, 9004, 9063, 12084, 13506, 18126, 20259, 27012, 36252, 40518, 42769, 81036, 85538, 119303, 128307, 171076, 238606, 256614, 357909, 384921, 477212, 513228, 715818, 769842, 1073727, 1431636, 1539684, 2147454, 2266757, 4294908, 4533514, 6800271, 9067028, 13600542, 20400813, 27201084, 40801626, 81603252]

約数ペア:

[(1, 81603252), (2, 40801626), (3, 27201084), (4, 20400813), (6, 13600542), (9, 9067028), (12, 6800271), (18, 4533514), (19, 4294908), (36, 2266757), (38, 2147454), (53, 1539684), (57, 1431636), (76, 1073727), (106, 769842), (114, 715818), (159, 513228), (171, 477212), (212, 384921), (228, 357909), (318, 256614), (342, 238606), (477, 171076), (636, 128307), (684, 119303), (954, 85538), (1007, 81036), (1908, 42769), (2014, 40518), (2251, 36252), (3021, 27012), (4028, 20259), (4502, 18126), (6042, 13506), (6753, 12084), (9004, 9063)]