28205016372

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^2\times {\mathrm{1545311}}^1$

素因数の和:1545350

約数の個数: 72

約数和(自身を含む): 79181786880

約数和(自身を除く): 50976770508

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 108, 117, 156, 169, 234, 338, 351, 468, 507, 676, 702, 1014, 1404, 1521, 2028, 3042, 4563, 6084, 9126, 18252, 1545311, 3090622, 4635933, 6181244, 9271866, 13907799, 18543732, 20089043, 27815598, 40178086, 41723397, 55631196, 60267129, 80356172, 83446794, 120534258, 166893588, 180801387, 241068516, 261157559, 361602774, 522315118, 542404161, 723205548, 783472677, 1044630236, 1084808322, 1566945354, 2169616644, 2350418031, 3133890708, 4700836062, 7051254093, 9401672124, 14102508186, 28205016372]

約数ペア:

[(1, 28205016372), (2, 14102508186), (3, 9401672124), (4, 7051254093), (6, 4700836062), (9, 3133890708), (12, 2350418031), (13, 2169616644), (18, 1566945354), (26, 1084808322), (27, 1044630236), (36, 783472677), (39, 723205548), (52, 542404161), (54, 522315118), (78, 361602774), (108, 261157559), (117, 241068516), (156, 180801387), (169, 166893588), (234, 120534258), (338, 83446794), (351, 80356172), (468, 60267129), (507, 55631196), (676, 41723397), (702, 40178086), (1014, 27815598), (1404, 20089043), (1521, 18543732), (2028, 13907799), (3042, 9271866), (4563, 6181244), (6084, 4635933), (9126, 3090622), (18252, 1545311)]