68518976

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{887}}^1$

素因数の和:987

約数の個数: 56

約数和(自身を含む): 146157696

約数和(自身を除く): 77638720

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 71, 136, 142, 272, 284, 544, 568, 887, 1088, 1136, 1207, 1774, 2272, 2414, 3548, 4544, 4828, 7096, 9656, 14192, 15079, 19312, 28384, 30158, 38624, 56768, 60316, 62977, 77248, 120632, 125954, 241264, 251908, 482528, 503816, 965056, 1007632, 1070609, 2015264, 2141218, 4030528, 4282436, 8564872, 17129744, 34259488, 68518976]

約数ペア:

[(1, 68518976), (2, 34259488), (4, 17129744), (8, 8564872), (16, 4282436), (17, 4030528), (32, 2141218), (34, 2015264), (64, 1070609), (68, 1007632), (71, 965056), (136, 503816), (142, 482528), (272, 251908), (284, 241264), (544, 125954), (568, 120632), (887, 77248), (1088, 62977), (1136, 60316), (1207, 56768), (1774, 38624), (2272, 30158), (2414, 28384), (3548, 19312), (4544, 15079), (4828, 14192), (7096, 9656)]