28403310

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1087}}^1$

素因数の和:1177

約数の個数: 64

約数和(自身を含む): 74575872

約数和(自身を除く): 46172562

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 67, 78, 130, 134, 195, 201, 335, 390, 402, 670, 871, 1005, 1087, 1742, 2010, 2174, 2613, 3261, 4355, 5226, 5435, 6522, 8710, 10870, 13065, 14131, 16305, 26130, 28262, 32610, 42393, 70655, 72829, 84786, 141310, 145658, 211965, 218487, 364145, 423930, 436974, 728290, 946777, 1092435, 1893554, 2184870, 2840331, 4733885, 5680662, 9467770, 14201655, 28403310]

約数ペア:

[(1, 28403310), (2, 14201655), (3, 9467770), (5, 5680662), (6, 4733885), (10, 2840331), (13, 2184870), (15, 1893554), (26, 1092435), (30, 946777), (39, 728290), (65, 436974), (67, 423930), (78, 364145), (130, 218487), (134, 211965), (195, 145658), (201, 141310), (335, 84786), (390, 72829), (402, 70655), (670, 42393), (871, 32610), (1005, 28262), (1087, 26130), (1742, 16305), (2010, 14131), (2174, 13065), (2613, 10870), (3261, 8710), (4355, 6522), (5226, 5435)]