28787888

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{337}}^1$

素因数の和:645

約数の個数: 40

約数和(自身を含む): 59095920

約数和(自身を除く): 30308032

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 281, 304, 337, 562, 674, 1124, 1348, 2248, 2696, 4496, 5339, 5392, 6403, 10678, 12806, 21356, 25612, 42712, 51224, 85424, 94697, 102448, 189394, 378788, 757576, 1515152, 1799243, 3598486, 7196972, 14393944, 28787888]

約数ペア:

[(1, 28787888), (2, 14393944), (4, 7196972), (8, 3598486), (16, 1799243), (19, 1515152), (38, 757576), (76, 378788), (152, 189394), (281, 102448), (304, 94697), (337, 85424), (562, 51224), (674, 42712), (1124, 25612), (1348, 21356), (2248, 12806), (2696, 10678), (4496, 6403), (5339, 5392)]