991971456

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{19423}}^1$

素因数の和:19466

約数の個数: 128

約数和(自身を含む): 3169996800

約数和(自身を除く): 2178025344

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 32, 38, 42, 48, 56, 57, 64, 76, 84, 96, 112, 114, 128, 133, 152, 168, 192, 224, 228, 266, 304, 336, 384, 399, 448, 456, 532, 608, 672, 798, 896, 912, 1064, 1216, 1344, 1596, 1824, 2128, 2432, 2688, 3192, 3648, 4256, 6384, 7296, 8512, 12768, 17024, 19423, 25536, 38846, 51072, 58269, 77692, 116538, 135961, 155384, 233076, 271922, 310768, 369037, 407883, 466152, 543844, 621536, 738074, 815766, 932304, 1087688, 1107111, 1243072, 1476148, 1631532, 1864608, 2175376, 2214222, 2486144, 2583259, 2952296, 3263064, 3729216, 4350752, 4428444, 5166518, 5904592, 6526128, 7458432, 7749777, 8701504, 8856888, 10333036, 11809184, 13052256, 15499554, 17403008, 17713776, 20666072, 23618368, 26104512, 30999108, 35427552, 41332144, 47236736, 52209024, 61998216, 70855104, 82664288, 123996432, 141710208, 165328576, 247992864, 330657152, 495985728, 991971456]

約数ペア:

[(1, 991971456), (2, 495985728), (3, 330657152), (4, 247992864), (6, 165328576), (7, 141710208), (8, 123996432), (12, 82664288), (14, 70855104), (16, 61998216), (19, 52209024), (21, 47236736), (24, 41332144), (28, 35427552), (32, 30999108), (38, 26104512), (42, 23618368), (48, 20666072), (56, 17713776), (57, 17403008), (64, 15499554), (76, 13052256), (84, 11809184), (96, 10333036), (112, 8856888), (114, 8701504), (128, 7749777), (133, 7458432), (152, 6526128), (168, 5904592), (192, 5166518), (224, 4428444), (228, 4350752), (266, 3729216), (304, 3263064), (336, 2952296), (384, 2583259), (399, 2486144), (448, 2214222), (456, 2175376), (532, 1864608), (608, 1631532), (672, 1476148), (798, 1243072), (896, 1107111), (912, 1087688), (1064, 932304), (1216, 815766), (1344, 738074), (1596, 621536), (1824, 543844), (2128, 466152), (2432, 407883), (2688, 369037), (3192, 310768), (3648, 271922), (4256, 233076), (6384, 155384), (7296, 135961), (8512, 116538), (12768, 77692), (17024, 58269), (19423, 51072), (25536, 38846)]