256957764

素因数分解:

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

素因数の和:574

約数の個数: 96

約数和(自身を含む): 705331200

約数和(自身を除く): 448373436

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 163, 196, 294, 326, 343, 383, 489, 588, 652, 686, 766, 978, 1029, 1141, 1149, 1372, 1532, 1956, 2058, 2282, 2298, 2681, 3423, 4116, 4564, 4596, 5362, 6846, 7987, 8043, 10724, 13692, 15974, 16086, 18767, 23961, 31948, 32172, 37534, 47922, 55909, 56301, 62429, 75068, 95844, 111818, 112602, 124858, 131369, 167727, 187287, 223636, 225204, 249716, 262738, 335454, 374574, 394107, 437003, 525476, 670908, 749148, 788214, 874006, 1311009, 1576428, 1748012, 2622018, 3059021, 5244036, 6118042, 9177063, 12236084, 18354126, 21413147, 36708252, 42826294, 64239441, 85652588, 128478882, 256957764]

約数ペア:

[(1, 256957764), (2, 128478882), (3, 85652588), (4, 64239441), (6, 42826294), (7, 36708252), (12, 21413147), (14, 18354126), (21, 12236084), (28, 9177063), (42, 6118042), (49, 5244036), (84, 3059021), (98, 2622018), (147, 1748012), (163, 1576428), (196, 1311009), (294, 874006), (326, 788214), (343, 749148), (383, 670908), (489, 525476), (588, 437003), (652, 394107), (686, 374574), (766, 335454), (978, 262738), (1029, 249716), (1141, 225204), (1149, 223636), (1372, 187287), (1532, 167727), (1956, 131369), (2058, 124858), (2282, 112602), (2298, 111818), (2681, 95844), (3423, 75068), (4116, 62429), (4564, 56301), (4596, 55909), (5362, 47922), (6846, 37534), (7987, 32172), (8043, 31948), (10724, 23961), (13692, 18767), (15974, 16086)]