128478882

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{163}}^1\times {\mathrm{383}}^1$

素因数の和:572

約数の個数: 64

約数和(自身を含む): 302284800

約数和(自身を除く): 173805918

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 163, 294, 326, 343, 383, 489, 686, 766, 978, 1029, 1141, 1149, 2058, 2282, 2298, 2681, 3423, 5362, 6846, 7987, 8043, 15974, 16086, 18767, 23961, 37534, 47922, 55909, 56301, 62429, 111818, 112602, 124858, 131369, 167727, 187287, 262738, 335454, 374574, 394107, 437003, 788214, 874006, 1311009, 2622018, 3059021, 6118042, 9177063, 18354126, 21413147, 42826294, 64239441, 128478882]

約数ペア:

[(1, 128478882), (2, 64239441), (3, 42826294), (6, 21413147), (7, 18354126), (14, 9177063), (21, 6118042), (42, 3059021), (49, 2622018), (98, 1311009), (147, 874006), (163, 788214), (294, 437003), (326, 394107), (343, 374574), (383, 335454), (489, 262738), (686, 187287), (766, 167727), (978, 131369), (1029, 124858), (1141, 112602), (1149, 111818), (2058, 62429), (2282, 56301), (2298, 55909), (2681, 47922), (3423, 37534), (5362, 23961), (6846, 18767), (7987, 16086), (8043, 15974)]