256863992

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{503}}^1\times {\mathrm{829}}^1$

素因数の和:1356

約数の個数: 64

約数和(自身を含む): 602380800

約数和(自身を除く): 345516808

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 308, 503, 616, 829, 1006, 1658, 2012, 3316, 3521, 4024, 5533, 5803, 6632, 7042, 9119, 11066, 11606, 14084, 18238, 22132, 23212, 28168, 36476, 38731, 44264, 46424, 63833, 72952, 77462, 127666, 154924, 255332, 309848, 416987, 510664, 833974, 1667948, 2918909, 3335896, 4586857, 5837818, 9173714, 11675636, 18347428, 23351272, 32107999, 36694856, 64215998, 128431996, 256863992]

約数ペア:

[(1, 256863992), (2, 128431996), (4, 64215998), (7, 36694856), (8, 32107999), (11, 23351272), (14, 18347428), (22, 11675636), (28, 9173714), (44, 5837818), (56, 4586857), (77, 3335896), (88, 2918909), (154, 1667948), (308, 833974), (503, 510664), (616, 416987), (829, 309848), (1006, 255332), (1658, 154924), (2012, 127666), (3316, 77462), (3521, 72952), (4024, 63833), (5533, 46424), (5803, 44264), (6632, 38731), (7042, 36476), (9119, 28168), (11066, 23212), (11606, 22132), (14084, 18238)]