218684416

素因数分解:

$2^{10}\times {\mathrm{31}}^1\times {\mathrm{83}}^2$

素因数の和:217

約数の個数: 66

約数和(自身を含む): 456759392

約数和(自身を除く): 238074976

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 83, 124, 128, 166, 248, 256, 332, 496, 512, 664, 992, 1024, 1328, 1984, 2573, 2656, 3968, 5146, 5312, 6889, 7936, 10292, 10624, 13778, 15872, 20584, 21248, 27556, 31744, 41168, 42496, 55112, 82336, 84992, 110224, 164672, 213559, 220448, 329344, 427118, 440896, 658688, 854236, 881792, 1317376, 1708472, 1763584, 2634752, 3416944, 3527168, 6833888, 7054336, 13667776, 27335552, 54671104, 109342208, 218684416]

約数ペア:

[(1, 218684416), (2, 109342208), (4, 54671104), (8, 27335552), (16, 13667776), (31, 7054336), (32, 6833888), (62, 3527168), (64, 3416944), (83, 2634752), (124, 1763584), (128, 1708472), (166, 1317376), (248, 881792), (256, 854236), (332, 658688), (496, 440896), (512, 427118), (664, 329344), (992, 220448), (1024, 213559), (1328, 164672), (1984, 110224), (2573, 84992), (2656, 82336), (3968, 55112), (5146, 42496), (5312, 41168), (6889, 31744), (7936, 27556), (10292, 21248), (10624, 20584), (13778, 15872)]