28664144

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{683}}^1$

素因数の和:795

約数の個数: 40

約数和(自身を含む): 57844512

約数和(自身を除く): 29180368

約数列:

[1, 2, 4, 8, 16, 43, 61, 86, 122, 172, 244, 344, 488, 683, 688, 976, 1366, 2623, 2732, 5246, 5464, 10492, 10928, 20984, 29369, 41663, 41968, 58738, 83326, 117476, 166652, 234952, 333304, 469904, 666608, 1791509, 3583018, 7166036, 14332072, 28664144]

約数ペア:

[(1, 28664144), (2, 14332072), (4, 7166036), (8, 3583018), (16, 1791509), (43, 666608), (61, 469904), (86, 333304), (122, 234952), (172, 166652), (244, 117476), (344, 83326), (488, 58738), (683, 41968), (688, 41663), (976, 29369), (1366, 20984), (2623, 10928), (2732, 10492), (5246, 5464)]