638438899904

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{941}}^1\times {\mathrm{6421}}^1$

素因数の和:7514

約数の個数: 112

約数和(自身を含む): 1376774870016

約数和(自身を除く): 738335970112

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 127, 208, 254, 416, 508, 832, 941, 1016, 1651, 1882, 2032, 3302, 3764, 4064, 6421, 6604, 7528, 8128, 12233, 12842, 13208, 15056, 24466, 25684, 26416, 30112, 48932, 51368, 52832, 60224, 83473, 97864, 102736, 105664, 119507, 166946, 195728, 205472, 239014, 333892, 391456, 410944, 478028, 667784, 782912, 815467, 956056, 1335568, 1553591, 1630934, 1912112, 2671136, 3107182, 3261868, 3824224, 5342272, 6042161, 6214364, 6523736, 7648448, 10601071, 12084322, 12428728, 13047472, 21202142, 24168644, 24857456, 26094944, 42404284, 48337288, 49714912, 52189888, 78548093, 84808568, 96674576, 99429824, 157096186, 169617136, 193349152, 314192372, 339234272, 386698304, 628384744, 678468544, 767354447, 1256769488, 1534708894, 2513538976, 3069417788, 5027077952, 6138835576, 9975607811, 12277671152, 19951215622, 24555342304, 39902431244, 49110684608, 79804862488, 159609724976, 319219449952, 638438899904]

約数ペア:

[(1, 638438899904), (2, 319219449952), (4, 159609724976), (8, 79804862488), (13, 49110684608), (16, 39902431244), (26, 24555342304), (32, 19951215622), (52, 12277671152), (64, 9975607811), (104, 6138835576), (127, 5027077952), (208, 3069417788), (254, 2513538976), (416, 1534708894), (508, 1256769488), (832, 767354447), (941, 678468544), (1016, 628384744), (1651, 386698304), (1882, 339234272), (2032, 314192372), (3302, 193349152), (3764, 169617136), (4064, 157096186), (6421, 99429824), (6604, 96674576), (7528, 84808568), (8128, 78548093), (12233, 52189888), (12842, 49714912), (13208, 48337288), (15056, 42404284), (24466, 26094944), (25684, 24857456), (26416, 24168644), (30112, 21202142), (48932, 13047472), (51368, 12428728), (52832, 12084322), (60224, 10601071), (83473, 7648448), (97864, 6523736), (102736, 6214364), (105664, 6042161), (119507, 5342272), (166946, 3824224), (195728, 3261868), (205472, 3107182), (239014, 2671136), (333892, 1912112), (391456, 1630934), (410944, 1553591), (478028, 1335568), (667784, 956056), (782912, 815467)]