81900540304

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{557}}^1\times {\mathrm{19429}}^1$

素因数の和:20048

約数の個数: 80

約数和(自身を含む): 177460873920

約数和(自身を除く): 95560333616

約数列:

[1, 2, 4, 8, 11, 16, 22, 43, 44, 86, 88, 172, 176, 344, 473, 557, 688, 946, 1114, 1892, 2228, 3784, 4456, 6127, 7568, 8912, 12254, 19429, 23951, 24508, 38858, 47902, 49016, 77716, 95804, 98032, 155432, 191608, 213719, 263461, 310864, 383216, 427438, 526922, 835447, 854876, 1053844, 1670894, 1709752, 2107688, 3341788, 3419504, 4215376, 6683576, 9189917, 10821953, 13367152, 18379834, 21643906, 36759668, 43287812, 73519336, 86575624, 119041483, 147038672, 173151248, 238082966, 465343979, 476165932, 930687958, 952331864, 1861375916, 1904663728, 3722751832, 5118783769, 7445503664, 10237567538, 20475135076, 40950270152, 81900540304]

約数ペア:

[(1, 81900540304), (2, 40950270152), (4, 20475135076), (8, 10237567538), (11, 7445503664), (16, 5118783769), (22, 3722751832), (43, 1904663728), (44, 1861375916), (86, 952331864), (88, 930687958), (172, 476165932), (176, 465343979), (344, 238082966), (473, 173151248), (557, 147038672), (688, 119041483), (946, 86575624), (1114, 73519336), (1892, 43287812), (2228, 36759668), (3784, 21643906), (4456, 18379834), (6127, 13367152), (7568, 10821953), (8912, 9189917), (12254, 6683576), (19429, 4215376), (23951, 3419504), (24508, 3341788), (38858, 2107688), (47902, 1709752), (49016, 1670894), (77716, 1053844), (95804, 854876), (98032, 835447), (155432, 526922), (191608, 427438), (213719, 383216), (263461, 310864)]