257811232

素因数分解:

$2^5\times 7^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{307}}^1$

素因数の和:510

約数の個数: 96

約数和(自身を含む): 610993152

約数和(自身を除く): 353181920

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 92, 112, 161, 163, 184, 224, 307, 322, 326, 368, 614, 644, 652, 736, 1141, 1228, 1288, 1304, 2149, 2282, 2456, 2576, 2608, 3749, 4298, 4564, 4912, 5152, 5216, 7061, 7498, 8596, 9128, 9824, 14122, 14996, 17192, 18256, 26243, 28244, 29992, 34384, 36512, 49427, 50041, 52486, 56488, 59984, 68768, 98854, 100082, 104972, 112976, 119968, 197708, 200164, 209944, 225952, 350287, 395416, 400328, 419888, 700574, 790832, 800656, 839776, 1150943, 1401148, 1581664, 1601312, 2301886, 2802296, 4603772, 5604592, 8056601, 9207544, 11209184, 16113202, 18415088, 32226404, 36830176, 64452808, 128905616, 257811232]

約数ペア:

[(1, 257811232), (2, 128905616), (4, 64452808), (7, 36830176), (8, 32226404), (14, 18415088), (16, 16113202), (23, 11209184), (28, 9207544), (32, 8056601), (46, 5604592), (56, 4603772), (92, 2802296), (112, 2301886), (161, 1601312), (163, 1581664), (184, 1401148), (224, 1150943), (307, 839776), (322, 800656), (326, 790832), (368, 700574), (614, 419888), (644, 400328), (652, 395416), (736, 350287), (1141, 225952), (1228, 209944), (1288, 200164), (1304, 197708), (2149, 119968), (2282, 112976), (2456, 104972), (2576, 100082), (2608, 98854), (3749, 68768), (4298, 59984), (4564, 56488), (4912, 52486), (5152, 50041), (5216, 49427), (7061, 36512), (7498, 34384), (8596, 29992), (9128, 28244), (9824, 26243), (14122, 18256), (14996, 17192)]