28020564

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{5443}}^1$

素因数の和:5477

約数の個数: 72

約数和(自身を含む): 83227872

約数和(自身を除く): 55207308

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 18, 22, 26, 33, 36, 39, 44, 52, 66, 78, 99, 117, 132, 143, 156, 198, 234, 286, 396, 429, 468, 572, 858, 1287, 1716, 2574, 5148, 5443, 10886, 16329, 21772, 32658, 48987, 59873, 65316, 70759, 97974, 119746, 141518, 179619, 195948, 212277, 239492, 283036, 359238, 424554, 538857, 636831, 718476, 778349, 849108, 1077714, 1273662, 1556698, 2155428, 2335047, 2547324, 3113396, 4670094, 7005141, 9340188, 14010282, 28020564]

約数ペア:

[(1, 28020564), (2, 14010282), (3, 9340188), (4, 7005141), (6, 4670094), (9, 3113396), (11, 2547324), (12, 2335047), (13, 2155428), (18, 1556698), (22, 1273662), (26, 1077714), (33, 849108), (36, 778349), (39, 718476), (44, 636831), (52, 538857), (66, 424554), (78, 359238), (99, 283036), (117, 239492), (132, 212277), (143, 195948), (156, 179619), (198, 141518), (234, 119746), (286, 97974), (396, 70759), (429, 65316), (468, 59873), (572, 48987), (858, 32658), (1287, 21772), (1716, 16329), (2574, 10886), (5148, 5443)]