28273026

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{263}}^1$

素因数の和:351

約数の個数: 64

約数和(自身を含む): 63866880

約数和(自身を除く): 35593854

約数列:

[1, 2, 3, 6, 19, 23, 38, 41, 46, 57, 69, 82, 114, 123, 138, 246, 263, 437, 526, 779, 789, 874, 943, 1311, 1558, 1578, 1886, 2337, 2622, 2829, 4674, 4997, 5658, 6049, 9994, 10783, 12098, 14991, 17917, 18147, 21566, 29982, 32349, 35834, 36294, 53751, 64698, 107502, 114931, 204877, 229862, 248009, 344793, 409754, 496018, 614631, 689586, 744027, 1229262, 1488054, 4712171, 9424342, 14136513, 28273026]

約数ペア:

[(1, 28273026), (2, 14136513), (3, 9424342), (6, 4712171), (19, 1488054), (23, 1229262), (38, 744027), (41, 689586), (46, 614631), (57, 496018), (69, 409754), (82, 344793), (114, 248009), (123, 229862), (138, 204877), (246, 114931), (263, 107502), (437, 64698), (526, 53751), (779, 36294), (789, 35834), (874, 32349), (943, 29982), (1311, 21566), (1558, 18147), (1578, 17917), (1886, 14991), (2337, 12098), (2622, 10783), (2829, 9994), (4674, 6049), (4997, 5658)]