257856

素因数分解:

$2^6\times 3^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1$

素因数の和:111

約数の個数: 56

約数和(自身を含む): 731520

約数和(自身を除く): 473664

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 48, 51, 64, 68, 79, 96, 102, 136, 158, 192, 204, 237, 272, 316, 408, 474, 544, 632, 816, 948, 1088, 1264, 1343, 1632, 1896, 2528, 2686, 3264, 3792, 4029, 5056, 5372, 7584, 8058, 10744, 15168, 16116, 21488, 32232, 42976, 64464, 85952, 128928, 257856]

約数ペア:

[(1, 257856), (2, 128928), (3, 85952), (4, 64464), (6, 42976), (8, 32232), (12, 21488), (16, 16116), (17, 15168), (24, 10744), (32, 8058), (34, 7584), (48, 5372), (51, 5056), (64, 4029), (68, 3792), (79, 3264), (96, 2686), (102, 2528), (136, 1896), (158, 1632), (192, 1343), (204, 1264), (237, 1088), (272, 948), (316, 816), (408, 632), (474, 544)]