87123678

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{151}}^1$

素因数の和:329

約数の個数: 64

約数和(自身を含む): 189637632

約数和(自身を除く): 102513954

約数列:

[1, 2, 3, 6, 23, 37, 46, 69, 74, 111, 113, 138, 151, 222, 226, 302, 339, 453, 678, 851, 906, 1702, 2553, 2599, 3473, 4181, 5106, 5198, 5587, 6946, 7797, 8362, 10419, 11174, 12543, 15594, 16761, 17063, 20838, 25086, 33522, 34126, 51189, 96163, 102378, 128501, 192326, 257002, 288489, 385503, 392449, 576978, 631331, 771006, 784898, 1177347, 1262662, 1893993, 2354694, 3787986, 14520613, 29041226, 43561839, 87123678]

約数ペア:

[(1, 87123678), (2, 43561839), (3, 29041226), (6, 14520613), (23, 3787986), (37, 2354694), (46, 1893993), (69, 1262662), (74, 1177347), (111, 784898), (113, 771006), (138, 631331), (151, 576978), (222, 392449), (226, 385503), (302, 288489), (339, 257002), (453, 192326), (678, 128501), (851, 102378), (906, 96163), (1702, 51189), (2553, 34126), (2599, 33522), (3473, 25086), (4181, 20838), (5106, 17063), (5198, 16761), (5587, 15594), (6946, 12543), (7797, 11174), (8362, 10419)]