778861664

素因数分解:

$2^5\times 7^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{479}}^1$

素因数の和:581

約数の個数: 144

約数和(自身を含む): 1923626880

約数和(自身を除く): 1144765216

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 49, 56, 61, 68, 98, 112, 119, 122, 136, 196, 224, 238, 244, 272, 392, 427, 476, 479, 488, 544, 784, 833, 854, 952, 958, 976, 1037, 1568, 1666, 1708, 1904, 1916, 1952, 2074, 2989, 3332, 3353, 3416, 3808, 3832, 4148, 5978, 6664, 6706, 6832, 7259, 7664, 8143, 8296, 11956, 13328, 13412, 13664, 14518, 15328, 16286, 16592, 23471, 23912, 26656, 26824, 29036, 29219, 32572, 33184, 46942, 47824, 50813, 53648, 57001, 58072, 58438, 65144, 93884, 95648, 101626, 107296, 114002, 116144, 116876, 130288, 187768, 203252, 204533, 228004, 232288, 233752, 260576, 375536, 399007, 406504, 409066, 456008, 467504, 496723, 751072, 798014, 813008, 818132, 912016, 935008, 993446, 1431731, 1596028, 1626016, 1636264, 1824032, 1986892, 2863462, 3192056, 3272528, 3477061, 3973784, 5726924, 6384112, 6545056, 6954122, 7947568, 11453848, 12768224, 13908244, 15895136, 22907696, 24339427, 27816488, 45815392, 48678854, 55632976, 97357708, 111265952, 194715416, 389430832, 778861664]

約数ペア:

[(1, 778861664), (2, 389430832), (4, 194715416), (7, 111265952), (8, 97357708), (14, 55632976), (16, 48678854), (17, 45815392), (28, 27816488), (32, 24339427), (34, 22907696), (49, 15895136), (56, 13908244), (61, 12768224), (68, 11453848), (98, 7947568), (112, 6954122), (119, 6545056), (122, 6384112), (136, 5726924), (196, 3973784), (224, 3477061), (238, 3272528), (244, 3192056), (272, 2863462), (392, 1986892), (427, 1824032), (476, 1636264), (479, 1626016), (488, 1596028), (544, 1431731), (784, 993446), (833, 935008), (854, 912016), (952, 818132), (958, 813008), (976, 798014), (1037, 751072), (1568, 496723), (1666, 467504), (1708, 456008), (1904, 409066), (1916, 406504), (1952, 399007), (2074, 375536), (2989, 260576), (3332, 233752), (3353, 232288), (3416, 228004), (3808, 204533), (3832, 203252), (4148, 187768), (5978, 130288), (6664, 116876), (6706, 116144), (6832, 114002), (7259, 107296), (7664, 101626), (8143, 95648), (8296, 93884), (11956, 65144), (13328, 58438), (13412, 58072), (13664, 57001), (14518, 53648), (15328, 50813), (16286, 47824), (16592, 46942), (23471, 33184), (23912, 32572), (26656, 29219), (26824, 29036)]