78639015

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1087}}^1$

素因数の和:1168

約数の個数: 64

約数和(自身を含む): 157925376

約数和(自身を除く): 79286361

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 53, 65, 91, 105, 159, 195, 265, 273, 371, 455, 689, 795, 1087, 1113, 1365, 1855, 2067, 3261, 3445, 4823, 5435, 5565, 7609, 10335, 14131, 14469, 16305, 22827, 24115, 38045, 42393, 57611, 70655, 72345, 98917, 114135, 172833, 211965, 288055, 296751, 403277, 494585, 748943, 864165, 1209831, 1483755, 2016385, 2246829, 3744715, 5242601, 6049155, 11234145, 15727803, 26213005, 78639015]

約数ペア:

[(1, 78639015), (3, 26213005), (5, 15727803), (7, 11234145), (13, 6049155), (15, 5242601), (21, 3744715), (35, 2246829), (39, 2016385), (53, 1483755), (65, 1209831), (91, 864165), (105, 748943), (159, 494585), (195, 403277), (265, 296751), (273, 288055), (371, 211965), (455, 172833), (689, 114135), (795, 98917), (1087, 72345), (1113, 70655), (1365, 57611), (1855, 42393), (2067, 38045), (3261, 24115), (3445, 22827), (4823, 16305), (5435, 14469), (5565, 14131), (7609, 10335)]