28816112

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:202

約数の個数: 80

約数和(自身を含む): 64162560

約数和(自身を除く): 35346448

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 41, 52, 62, 82, 104, 109, 124, 164, 208, 218, 248, 328, 403, 436, 496, 533, 656, 806, 872, 1066, 1271, 1417, 1612, 1744, 2132, 2542, 2834, 3224, 3379, 4264, 4469, 5084, 5668, 6448, 6758, 8528, 8938, 10168, 11336, 13516, 16523, 17876, 20336, 22672, 27032, 33046, 35752, 43927, 54064, 58097, 66092, 71504, 87854, 116194, 132184, 138539, 175708, 232388, 264368, 277078, 351416, 464776, 554156, 702832, 929552, 1108312, 1801007, 2216624, 3602014, 7204028, 14408056, 28816112]

約数ペア:

[(1, 28816112), (2, 14408056), (4, 7204028), (8, 3602014), (13, 2216624), (16, 1801007), (26, 1108312), (31, 929552), (41, 702832), (52, 554156), (62, 464776), (82, 351416), (104, 277078), (109, 264368), (124, 232388), (164, 175708), (208, 138539), (218, 132184), (248, 116194), (328, 87854), (403, 71504), (436, 66092), (496, 58097), (533, 54064), (656, 43927), (806, 35752), (872, 33046), (1066, 27032), (1271, 22672), (1417, 20336), (1612, 17876), (1744, 16523), (2132, 13516), (2542, 11336), (2834, 10168), (3224, 8938), (3379, 8528), (4264, 6758), (4469, 6448), (5084, 5668)]