81147088

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1$

素因数の和:296

約数の個数: 80

約数和(自身を含む): 179988480

約数和(自身を除く): 98841392

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 44, 62, 88, 107, 124, 139, 176, 214, 248, 278, 341, 428, 496, 556, 682, 856, 1112, 1177, 1364, 1529, 1712, 2224, 2354, 2728, 3058, 3317, 4309, 4708, 5456, 6116, 6634, 8618, 9416, 12232, 13268, 14873, 17236, 18832, 24464, 26536, 29746, 34472, 36487, 47399, 53072, 59492, 68944, 72974, 94798, 118984, 145948, 163603, 189596, 237968, 291896, 327206, 379192, 461063, 583792, 654412, 758384, 922126, 1308824, 1844252, 2617648, 3688504, 5071693, 7377008, 10143386, 20286772, 40573544, 81147088]

約数ペア:

[(1, 81147088), (2, 40573544), (4, 20286772), (8, 10143386), (11, 7377008), (16, 5071693), (22, 3688504), (31, 2617648), (44, 1844252), (62, 1308824), (88, 922126), (107, 758384), (124, 654412), (139, 583792), (176, 461063), (214, 379192), (248, 327206), (278, 291896), (341, 237968), (428, 189596), (496, 163603), (556, 145948), (682, 118984), (856, 94798), (1112, 72974), (1177, 68944), (1364, 59492), (1529, 53072), (1712, 47399), (2224, 36487), (2354, 34472), (2728, 29746), (3058, 26536), (3317, 24464), (4309, 18832), (4708, 17236), (5456, 14873), (6116, 13268), (6634, 12232), (8618, 9416)]