1998267712

素因数分解:

$2^6\times 7^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1\times {\mathrm{431}}^1$

素因数の和:660

約数の個数: 112

約数和(自身を含む): 4634910720

約数和(自身を除く): 2636643008

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 79, 112, 131, 158, 224, 262, 316, 431, 448, 524, 553, 632, 862, 917, 1048, 1106, 1264, 1724, 1834, 2096, 2212, 2528, 3017, 3448, 3668, 4192, 4424, 5056, 6034, 6896, 7336, 8384, 8848, 10349, 12068, 13792, 14672, 17696, 20698, 24136, 27584, 29344, 34049, 35392, 41396, 48272, 56461, 58688, 68098, 72443, 82792, 96544, 112922, 136196, 144886, 165584, 193088, 225844, 238343, 272392, 289772, 331168, 395227, 451688, 476686, 544784, 579544, 662336, 790454, 903376, 953372, 1089568, 1159088, 1580908, 1806752, 1906744, 2179136, 2318176, 3161816, 3613504, 3813488, 4460419, 4636352, 6323632, 7626976, 8920838, 12647264, 15253952, 17841676, 25294528, 31222933, 35683352, 62445866, 71366704, 124891732, 142733408, 249783464, 285466816, 499566928, 999133856, 1998267712]

約数ペア:

[(1, 1998267712), (2, 999133856), (4, 499566928), (7, 285466816), (8, 249783464), (14, 142733408), (16, 124891732), (28, 71366704), (32, 62445866), (56, 35683352), (64, 31222933), (79, 25294528), (112, 17841676), (131, 15253952), (158, 12647264), (224, 8920838), (262, 7626976), (316, 6323632), (431, 4636352), (448, 4460419), (524, 3813488), (553, 3613504), (632, 3161816), (862, 2318176), (917, 2179136), (1048, 1906744), (1106, 1806752), (1264, 1580908), (1724, 1159088), (1834, 1089568), (2096, 953372), (2212, 903376), (2528, 790454), (3017, 662336), (3448, 579544), (3668, 544784), (4192, 476686), (4424, 451688), (5056, 395227), (6034, 331168), (6896, 289772), (7336, 272392), (8384, 238343), (8848, 225844), (10349, 193088), (12068, 165584), (13792, 144886), (14672, 136196), (17696, 112922), (20698, 96544), (24136, 82792), (27584, 72443), (29344, 68098), (34049, 58688), (35392, 56461), (41396, 48272)]